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Shenzhen KHJ Technology Co., Ltd 86-0755-28102935

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☆ Founded in 1999; ☆ 60+ R&D patents; ☆ Serving the world's top 3 phone brands; ☆ National high-tech enterprises; ☆ Specialized, special and new smal
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Shenzhen KHJ Technology Co., Ltd


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Shenzhen KHJ Technology Co., Ltd


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Shenzhen KHJ Technology Co., Ltd

Address :: KHJ Industrial park, Building 1,Chuangxin Industrial park, Xintian community, Guanlan, Longhua new district, Shenzhen,China 518110
Fax:: 86-0755-82949800
Phone :: 86-0755-28102935
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Lastest company cases about High-temp Resistant Tape
High-temp Resistant Tape
Polyimide Film Tape、Polyester Film Tape、Paper Masking Tape   High-temperature resistant tapes find application in various industries and scenarios where exposure to elevated temperatures is common. Here are some application cases for high-temperature resistant tape:   Electronics Manufacturing and Assembly: High-temperature tapes are used in the electronics industry during the manufacturing and assembly of electronic components. They provide insulation and protection against heat in processes such as soldering and reflow soldering. Aerospace Industry: In the aerospace sector, high-temperature resistant tapes are employed for securing and insulating components in areas where exposure to high temperatures, such as engine compartments, is expected. Automotive Manufacturing: Automotive manufacturing utilizes high-temperature resistant tapes for various applications, including securing and insulating wires and cables in the engine compartment and during manufacturing processes involving heat. Heat Sealing and Packaging: High-temperature tapes are used in heat sealing applications, such as sealing plastic bags or packaging materials using heat. These tapes can withstand the temperatures involved in the sealing process. Furnace and Oven Sealing: Industries that use furnaces, ovens, or kilns often require tapes to seal joints and provide insulation. High-temperature resistant tapes are suitable for these applications, ensuring durability and longevity. Powder Coating and Painting: During powder coating or painting processes, high-temperature tapes are used to mask off areas that should not be coated. These tapes withstand the high temperatures of curing ovens. Gasketing and Sealing: High-temperature resistant tapes serve as gaskets or seals in applications where elevated temperatures are present, such as in automotive engines or industrial equipment. Flexible Ducting and HVAC Systems: High-temperature tapes are applied in flexible ducting systems and HVAC (Heating, Ventilation, and Air Conditioning) systems to provide insulation and secure connections in areas exposed to high temperatures. Solar Panel Manufacturing: In the production of solar panels, high-temperature resistant tapes are used for securing and insulating components during manufacturing processes involving heat exposure. Glass Manufacturing: Glass manufacturing processes, such as tempering or annealing, involve high temperatures. High-temperature resistant tapes are used to secure and protect certain areas of glass products during these processes. Sealing and Insulating Industrial Equipment: High-temperature tapes find application in various industrial settings where equipment requires sealing and insulation against heat. It's essential to choose high-temperature resistant tapes based on the specific temperature requirements and conditions of the intended application. These tapes provide crucial thermal insulation and protection in environments where standard tapes would fail.
Lastest company cases about Anti-static Fixing & Packing Tape
Anti-static Fixing & Packing Tape
Anti-static Polyester Tape, Anti-static Acetate Fiber Tape, Anti-static Aluminized Tape   Electronics Manufacturing: Anti-static tape is widely used in the electronics industry during the manufacturing process of sensitive electronic components such as semiconductors, integrated circuits, and printed circuit boards. It helps secure components in place without generating static electricity that could damage the delicate electronics.   Cleanroom Environments: Cleanrooms in industries like semiconductor manufacturing, pharmaceuticals, and biotechnology use anti-static tape to seal openings and secure materials without introducing contaminants. This is crucial in maintaining a controlled environment free of static interference.   Medical Device Assembly: In the assembly of medical devices and equipment, anti-static tape is applied to secure and protect sensitive electronic components. This ensures that static discharge does not compromise the functionality of medical devices.   Aerospace and Defense: In the aerospace industry, anti-static tape is utilized during the manufacturing and maintenance of aircraft components. It helps prevent static electricity from damaging sensitive avionic systems and electronic equipment.   Data Centers: Anti-static tape is applied in data centers to secure and organize cables and wires. It helps mitigate the risk of static discharge, which can be detrimental to the sensitive electronic equipment housed in data centers.   Automotive Electronics: The automotive industry employs anti-static tape in the assembly of electronic components within vehicles. This includes applications in the manufacturing of sensors, control units, and entertainment systems where static electricity can cause malfunctions. Telecommunications Infrastructure: Anti-static tape is used in the installation and maintenance of telecommunications equipment to ensure the longevity and reliability of electronic components.   Shipping and Packaging of Electronics: When shipping sensitive electronic devices, anti-static tape is applied in packaging to prevent static discharge during transportation. This is particularly important for protecting items like computer parts and consumer electronics. Laboratories and Research Facilities: Research facilities and laboratories handling sensitive instruments and equipment use anti-static tape to secure cables and connections, reducing the risk of static interference during experiments and measurements.   Photovoltaic Industry: In the manufacturing of solar panels and related electronic components, anti-static tape is used to secure and protect sensitive materials, preventing damage from electrostatic discharge.   It's essential to follow best practices and choose the appropriate anti-static tape based on the specific requirements and conditions of each sensitive area or industry.
Lastest company cases about Protective Film/Tape
Protective Film/Tape
Anti-static polyester acrylic adhesive protective film,Anti-static polyester silicone adhesive protective film,High-temp resistant protective film   Protective films, also known as surface protection films or protective tape, are used in various industries and applications to safeguard surfaces from damage, scratches, contamination, and other potential harm during manufacturing, transportation, storage, and installation. Here are some common applications of protective films:   Electronics Manufacturing: LCD Screens and Displays: Protective films are applied to the screens of electronic devices, such as televisions, monitors, and smartphones, during manufacturing to prevent scratches and damage. Printed Circuit Boards (PCBs): Protective films shield PCBs and electronic components from scratches, dust, and handling during assembly and transportation. Automotive Industry: Car Bodies and Parts: Protective films are used to cover painted surfaces, glass, and sensitive areas on vehicles during manufacturing, transportation, and assembly, preventing scratches and damage. Interior Surfaces: Films protect interior surfaces, such as dashboards and screens, during assembly and transportation. Metal Fabrication and Processing: Stainless Steel Sheets and Coils: Protective films prevent scratches and damage on the surface of stainless steel sheets and coils during processing, fabrication, and transportation. Aluminum Profiles and Sheets: Aluminum surfaces are often covered with protective films to prevent scratching and abrasion. Construction and Building Materials: Windows and Glass: Protective films are applied to glass surfaces during construction to shield them from dirt, cement splatter, and scratches. Aluminum Extrusions: Films protect aluminum profiles and extrusions from scratches and damage during transportation and installation. Plastics and Polycarbonates: Acrylic Sheets: Protective films shield transparent surfaces, such as acrylic or polycarbonate sheets, from scratches and dirt during handling and fabrication. Plastic Molding: Films protect plastic molded parts from damage and contamination during manufacturing, transportation, and assembly. Furniture Manufacturing: Wooden Surfaces: Protective films are used on wooden furniture surfaces to prevent scratches and damage during production, transportation, and assembly. Glass Tabletops: Films protect glass tabletops from scratches and damage during manufacturing and transportation. Appliances: Stainless Steel Appliances: Protective films prevent scratches and fingerprints on the stainless steel surfaces of appliances, such as refrigerators and ovens, during transportation and installation. Optical Components: Lenses and Optics: Protective films safeguard lenses and optical components from scratches, dust, and handling during manufacturing, assembly, and transportation. Flooring and Tiles: Flooring Materials: Protective films are applied to flooring materials, such as laminate or engineered wood, during manufacturing and transportation to prevent surface damage. Ceramic Tiles: Films protect the surfaces of ceramic tiles from scratches and abrasion during handling and installation. Aerospace Industry: Aircraft Interiors: Protective films are used to shield surfaces in aircraft interiors, such as cabinetry and displays, from scratches and damage. These are just a few examples, and protective films find application in a wide range of industries where surface protection is crucial to maintaining the quality and appearance of products. The films are designed to be easily removable without leaving residue, providing temporary protection during various stages of a product's life cycle.
Lastest company cases about Application of Adhesive Tapes in Camera Lens Manufacturing
Application of Adhesive Tapes in Camera Lens Manufacturing
Introduction: Adhesive tapes play a crucial role in the manufacturing of camera lenses, where precision, cleanliness, and durability are essential. These tapes, engineered with specialized materials and adhesive properties, serve various purposes ranging from protection during assembly to ensuring optical alignment. This case study delves into a specific application of adhesive tapes in camera lens production. Application: In the manufacturing process of camera lenses, adhesive tapes are utilized for several critical purposes: Lens Element Bonding: Adhesive tapes with precise thickness and optical clarity are used to temporarily bond lens elements together during assembly. These tapes ensure proper alignment and spacing between lens elements before permanent bonding through processes like optical cementing or ultrasonic welding. Dust and Particle Protection: During assembly and testing, camera lens components are susceptible to contamination from dust, particles, and debris. Adhesive tapes with low-tack adhesive properties are applied to critical surfaces to protect against foreign substances while maintaining optical clarity. Optical Axis Alignment: Achieving precise optical alignment is crucial for the performance of camera lenses. Adhesive tapes with high tensile strength and dimensional stability are used to temporarily secure lens components in position during alignment processes. These tapes allow for micro-adjustments while ensuring stability and repeatability. Surface Protection: Throughout the manufacturing process, camera lens surfaces must be protected from scratches, abrasions, and fingerprints. Adhesive tapes with soft, non-abrasive backing materials are applied to lens surfaces to provide temporary protection without leaving residue or causing damage. Benefits: The application of adhesive tapes in camera lens manufacturing offers several benefits: Precision: Adhesive tapes facilitate precise bonding and alignment of lens elements, ensuring optimal optical performance and image quality. Cleanliness: By protecting lens components from dust, particles, and contaminants, adhesive tapes help maintain cleanliness and purity during assembly and testing. Efficiency: Adhesive tapes streamline the manufacturing process by providing temporary solutions for bonding, alignment, and protection, reducing assembly time and labor costs. Quality Assurance: The use of adhesive tapes helps minimize defects and rework by ensuring consistent and reliable assembly processes, ultimately enhancing the overall quality and reliability of camera lenses. Conclusion: Adhesive tapes play a critical role in the production of camera lenses by enabling precise assembly, protection, and alignment of optical components. From lens element bonding to surface protection, these specialized tapes contribute to the efficiency, quality, and performance of camera lenses, ultimately enhancing the imaging experience for consumers and professionals alike.
Lastest company cases about Application of ESD Tapes in Semiconductor Manufacturing
Application of ESD Tapes in Semiconductor Manufacturing
Introduction: Electronic tapes play a crucial role in the semiconductor industry, where precision, reliability, and cleanliness are paramount. These tapes, often made of specialized materials such as polyimide or polyester, serve various purposes ranging from masking during chemical etching processes to protecting delicate components from environmental contaminants. This case study explores a specific application of electronic tapes in semiconductor manufacturing. Application: In semiconductor fabrication, electronic tapes are commonly used during the photolithography process. Photolithography is a key step in semiconductor manufacturing where intricate patterns are transferred onto silicon wafers to create integrated circuits (ICs). During this process, electronic tapes are employed for several critical purposes: Masking: Electronic tapes are used to mask certain areas of the silicon wafer to prevent exposure to light during the photolithography process. The high temperature resistance and chemical stability of these tapes ensure that they can withstand the harsh conditions of photolithography equipment, including exposure to photoresist chemicals and UV light. Backside Protection: In some cases, it is necessary to protect the backside of the silicon wafer during processing to prevent contamination or damage. Electronic tapes with appropriate adhesion properties and low outgassing characteristics are applied to the backside of the wafer to provide a barrier against moisture, particles, and chemical residues. Wafer Handling: Electronic tapes are also used for wafer handling and transportation within the cleanroom environment. These tapes provide a secure grip on the wafer without leaving residue or causing damage to the delicate semiconductor surface. Edge Protection: During various stages of semiconductor processing, the edges of silicon wafers need to be protected from chipping or contamination. Electronic tapes with precise thickness and high conformability are applied to the wafer edges to provide a protective barrier without interfering with subsequent process steps. Benefits: The application of electronic tapes in semiconductor manufacturing offers several benefits: Precision: Electronic tapes enable precise masking and protection of critical areas on silicon wafers, ensuring the accuracy and integrity of semiconductor devices. Reliability: The thermal and chemical resistance of electronic tapes ensures consistent performance even under extreme processing conditions, minimizing the risk of defects or yield loss. Cleanliness: Electronic tapes help maintain the cleanliness of semiconductor surfaces by preventing contamination from particles, moisture, or chemical residues. Cost-effectiveness: By reducing the incidence of defects and yield loss, electronic tapes contribute to cost savings in semiconductor production. Conclusion: Electronic tapes play a vital role in ensuring the quality, reliability, and performance of semiconductor devices. From masking and protection to handling and transportation, these specialized tapes fulfill critical functions in semiconductor manufacturing processes, ultimately contributing to the advancement of electronic technology.
Lastest company cases about Heat & UV Release Tape
Heat & UV Release Tape
Heat & UV Release Tape   Heat and UV release tapes, also known as heat-activated or thermally activated tapes, serve specific purposes in various industries where controlled bonding and release are required. Here are some common applications of heat and UV release tapes:   Printed Circuit Board (PCB) Manufacturing: Holding Components in Place: Heat and UV release tapes are used to temporarily secure components on PCBs during the soldering process. The tape holds the components in position and can be easily removed after the soldering is complete. Semiconductor Wafer Processing: Wafer Mounting: In semiconductor manufacturing, these tapes are used for mounting wafers during different stages of processing, including photolithography and etching. The tape securely holds the wafer in place and can be released without leaving residue. Electronics Assembly: Temporary Bonding of Parts: Heat and UV release tapes are employed in electronic device assembly to temporarily bond parts or components during manufacturing processes. Once the assembly is complete, the tape can be activated to release the parts. Optical Device Assembly: Lens and Optical Component Bonding: In the assembly of optical devices, these tapes are used for temporary bonding of lenses and other optical components. The tapes can withstand the heat used in certain assembly processes and release easily. 3D Printing: Build Plate Adhesion: Heat and UV release tapes can be applied to build plates in 3D printing to ensure adhesion of the first layer of the printed object. The tape is activated by heat and can be easily peeled off once the print is complete. Flexible Printed Electronics: Temporary Bonding of Flexible Substrates: In the manufacturing of flexible printed electronics, these tapes are used to temporarily bond flexible substrates during various processing steps. The tape releases the substrate when exposed to heat or UV light. Automotive Manufacturing: Bonding Automotive Components: Heat and UV release tapes find applications in bonding various automotive components temporarily during manufacturing processes. This includes interior and exterior parts that need to be securely held in place until final assembly. Aerospace Industry:   Composite Bonding: In the aerospace sector, these tapes are used for bonding composite materials during the fabrication of aircraft components. The tapes can withstand the high temperatures encountered in certain manufacturing processes. Temporary Fixturing in Manufacturing: Assembly Line Fixturing: Heat and UV release tapes are used to temporarily fixture parts or components on assembly lines. This allows for efficient manufacturing processes with the flexibility to reposition or release components when needed. Medical Device Assembly: Temporary Bonding of Medical Components: In the assembly of medical devices, these tapes are utilized to temporarily bond components during manufacturing processes, allowing for precise positioning and easy release. These tapes offer a convenient and efficient way to secure components or materials temporarily during manufacturing and assembly processes, with the added benefit of easy and clean release when exposed to heat or UV light. The specific applications may vary depending on the industry and the requirements of the manufacturing processes involved.
Lastest company cases about High-temperature tape in semiconductor packaging
High-temperature tape in semiconductor packaging
I am writing to introduce you to the innovative and transformative world of high-temperature tape applications in semiconductor packaging. As a senior tape product manager at [Your Company], I am thrilled to share with you the potential and advantages of high-temperature tape in revolutionizing the semiconductor industry. Semiconductor Packaging at the Forefront of Innovation: Semiconductor devices are the backbone of modern electronics, powering everything from smartphones and laptops to industrial machinery and electric vehicles. These tiny, yet intricate components have transformed the way we live and work. To ensure these devices meet the demands of today's technology, they undergo a sophisticated packaging process that involves protecting the delicate semiconductor chips, interconnects, and components within robust and reliable packages. The Challenge: Semiconductor packaging is an exacting field with stringent demands. It requires materials that can endure extreme conditions, particularly elevated temperatures, and still maintain their integrity. The challenge is to find solutions that guarantee the performance, reliability, and longevity of semiconductor devices in an ever-evolving landscape. The Role of High-Temperature Tape: High-temperature tape plays a pivotal role in overcoming these challenges. It is specially engineered to excel in the demanding conditions of semiconductor packaging. Our high-temperature tape is designed to withstand temperature ranges from -200°C to 300°C, offering a versatile and robust solution for the industry. Key Advantages: Our high-temperature tape solutions provide a host of benefits, including: Extreme Temperature Resistance: Designed to thrive in the high-temperature environments of semiconductor manufacturing processes, our tape ensures the structural and adhesive integrity necessary for these critical operations. Outstanding Adhesion: Our tape forms strong, reliable bonds with various substrates used in semiconductor manufacturing, including silicon, ceramics, and organic materials. Chemical Compatibility: Resistant to the chemicals commonly found in semiconductor fabrication, our tape maintains its integrity and stability. Precision and Ease of Use: Our tape is easy to handle, cut, and apply, mitigating the risk of contamination and defects during the packaging process. A Glimpse of the Future: The application of high-temperature tape in semiconductor packaging is a game-changer. It elevates the efficiency, reliability, and performance of semiconductor devices in ways that were previously unattainable. Our tape solutions have already delivered impressive results for leading semiconductor manufacturers, reducing defects, enhancing device reliability, and saving costs. In a rapidly evolving semiconductor landscape, high-temperature tape is the key to overcoming the thermal challenges and ensuring the success of your semiconductor packaging processes. We are excited to share our expertise, collaborate with your team, and help you harness the full potential of high-temperature tape in semiconductor packaging. Stay tuned for more insights and in-depth discussions on how our solutions can benefit your operations. Thank you for your time and consideration. The future of semiconductor packaging is brighter with high-temperature tape, and we are here to guide you on this transformative journey.
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Lastest company news about Productronica China 2024
Productronica China 2024
From March 20-22, 2024, productronica China 2024, an event for the electronic equipment industry, was held at the Shanghai New International Expo Center (SNIEC). Excellent enterprises and exhibitors from all over the world gathered here to explore new opportunities in industry segments. This year's exhibition attracted industry insiders from many countries and regions around the world, more than 900 enterprises gathered in Shanghai, for the electronic equipment industry presented a display of exchanges and trade and cooperation feast, to explore the domestic and international double-cycle development pattern of the electronic equipment industry under the development of new ideas. As a leading manufacturer of ESD adhesive tapes, Cohonk is a regular visitor to the Electronic Equipment Expo. At this exhibition, Cohonkian shined with its products, in addition to SMT splicing tape, SMT splicing tools, PI high temperature tape, PET high temperature tape and other veteran products. Also brought non-silicon high temperature tape, semiconductor packaging tape, pyrolytic adhesive tape, UV adhesive tape and many other star products and QFN packaging tape solutions and BGA packaging tape solutions debut.   Cohonkian this launch of QFN packaging tape solutions and BGA packaging tape solutions and other innovative solutions, with efficient and excellent R & D and production capacity, to protect the key technologies, independent research and development, dedicated to semiconductor chip packaging fixed, ceramic capacitors, PCB board cutting and positioning, and other processes such as the role of the protection of the process. At the exhibition site, Cohongjian attracted many people in the industry to stop and communicate with each other to discuss in detail and share the industry development trend, the direction of ESD tape development and application advantages, we will continue to adhere to independent innovation, strengthen the ability of technological innovation, technological breakthroughs as the goal of contributing to the development of the industry. In the future, Cohongjian will continue to be committed to research and development of high-quality ESD tape products and industry application solutions, and constantly broaden the scope of application of ESD tape products.
Lastest company news about KHJ appeared at the Munich Shanghai Electronic Equipment Exhibition, a new solution for semiconductor packaging tape
KHJ appeared at the Munich Shanghai Electronic Equipment Exhibition, a new solution for semiconductor packaging tape
From April 13th to 15th, 2023, the 3-day 2023 Munich Shanghai Electronic Production Equipment Exhibition will be held in Shanghai New International Expo Center!     As a display and exchange platform for the electronics manufacturing industry, the 2023 Munich Shanghai Electronics Production Equipment Exhibition has a scale of 73,000 square meters, attracting 800+ industry companies to participate in the exhibition, covering multiple fields such as Industry 4.0, automotive electronics, and smart factories. One-stop display Global cutting-edge technologies and products in the entire industrial chain of intelligent manufacturing and electronic innovation.     KHJ, as a global electronic ESD tape manufacturer, was invited to participate in the exhibition, bringing a variety of electronic process auxiliary material solutions and special packaging tape solutions to the exhibition.       KHJ's ESD special tape and SMT consumables are widely used in the industrial and electronic fields, such as anti-static high-temperature tape, semiconductor packaging tape, UV adhesive tape, thermal debonding tape, SMT splicing tape, SMT splicing tools, etc. The products are used in semiconductor manufacturing, 5G optical communication, optoelectronic display, precision electronics and other industries.     KHJ's ESD special tape and SMT consumables are widely used in the industrial and electronic fields, such as anti-static high-temperature tape, semiconductor packaging tape, UV adhesive tape, thermal debonding tape, SMT splicing tape, SMT splicing tools, etc. The products are used in semiconductor manufacturing, 5G optical communication, optoelectronic display, precision electronics and other industries.     Automation is realized in various manufacturing processes of electronic products, which saves manpower, reduces costs and increases efficiency, and improves industrial production efficiency. On the first day of the exhibition, the booth of Kehongjian was full of people, attracting many domestic and foreign exhibitors and professionals to come to consult and understand.     UV adhesive tape is an anti-static UV tape with high initial viscosity. After UV irradiation, the adhesive surface viscosity is greatly reduced, and it can be easily peeled off without adhesive residue. It can be applied to various silicon packages, components, ceramic capacitors, and PCB board cutting and positioning protection.     In addition, there is KHJ Technology's electronic manufacturing process auxiliary material solution. From before loading to delivery and storage, Kehongjian can satisfy customers with the auxiliary materials and consumables required for each step.     As a powerful manufacturer of ESD tapes in the global electronics manufacturing industry and a pioneer in SMT splicing, KHJ has continued to innovate, and has adhered to the four core concepts of service, quality, delivery, and cost for 24 years to meet customer needs. We will take the mission of providing more stable auxiliary materials and consumables for industrial production and electronic manufacturing. We will not forget our original intention and forge ahead.
Lastest company news about Shenzhen KHJ Technology Co.,Ltd participated NEPCON ASIA Show 2019
Shenzhen KHJ Technology Co.,Ltd participated NEPCON ASIA Show 2019
NEPCON ASIA electronic production equipment and microelectronics industry exhibition was held in shenzhen convention and exhibition center from August 28 to 30, with an exhibition area of 60,000 square meters, making it the largest NEPCON exhibition in history. Six exhibitions integrates together, efforts to build electronic manufacturing industry connectivity platform. As one of the world's top quality electronics manufacturers,NEPCON ASIA has attracted more than 800 exhibitors from 38 countries and regions and 60,000 buyers. Thousands of international buyers are invited to the fair to fully tap the purchasing power of overseas markets.     As a company with 20 years experience in industrial adhesive tape and SMT anti-static materials r&d, production and sales in the integration of national high-tech enterprises, Our Shenzhen KHJ Technology Co.,Ltd (booth No. : 1 IK07) displayed our latest research and development SMT splice trolley with two pliers, biodegradable packing tape, high performance industrial tape products and successfully received many valuation clients from this exhibtion.     The three-day exhibition has been a perfect curtain call. KHJ will keep on pursuing perfect product quality to serve our customers.   This exhibition further expands our popularity and influence in the same industry, and at the same time, it also further understands the product characteristics of advanced companies in order to improve our product structure and advantages. In addition, China's electronics industry is in the process of accelerating structural adjustment and kinetic energy conversion. The technology of the traditional electronics manufacturing industry is constantly upgrading, and the industry is becoming more high-end. A large number of innovative enterprises will emerge in China, and technology and applications are leading in the world. KHJ uses the atmosphere of this exhibition to speed up the pace of research and development, and manufacture more high-quality auxiliary products for the electronics manufacturing industry, making contributions to Kehongjian people for smart factories, intelligent manufacturing, and Chinese forces in the future, and creating more excellent services. For the majority of users.     Address: Add:KHJ industrial park, Building 1, Chuangxin industrial zone, Xintian community, Guanlan,Longhua new district, Shenzhen, China 518110 Tel: 0755-82949965 Fax: 0755-82949800 E-mail:
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd
Shenzhen KHJ Technology Co., Ltd