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GRT(Beijing Guangruntong Technology Development Co., Ltd.) is headquartered in Beijing Zhongguancun Hi-Tech Park and began in April 2008. GRT has gathered a group of senior R&D personnel with an average age of more than 15 years. Under the background of the rapid development of the optical fiber industry and the optical fiber to households, GRT has always adhered to the strategic principles of quality and innovation, and has gradually grown into a high-tech fiber optic company that is currently well-known in China, which integrates R&D, production and marketing, and has its own intellectual property and its own brand.
The main products of GRT are Optical Fiber Network Cards, Optical Fiber Modules, WDM devices, Optical Converter, Optical Fiber Patch Cord, and Optical Splitter. All kinds of products have passed international certification such as FCC, CE, and ROHS, as well as national industry certification, and have won a number of scientific and technological progress awards and excellent product awards. On the road ahead, GRT is committed to building China's own national enterprises, achieving the goals of "Optics Links The World, Connects Us Togetcher".

Shenzhen Dayue Motor Industry Co., Ltd. is a professional manufacturer engaged in cooling products. Products are widely used in all walks of life, computers, home appliances, medical equipment, communications, industrial control servers, stage lighting, LED lights and so on.
Our company specializes in the production of various cooling DC fans, DC blowers, radiators, etc. The company has more than 20 years of experience in design, development and production of product quality assurance. All products have passed CE, ROHS, UL, TUV and other testing certifications. It is exported to Europe, America, North America, Southeast Asia and other parts of the world, and its products are widely used in IT, medical, electrical appliances, home appliances, and LED industries. Quote, thank you!
The company adheres to the business philosophy of "Quality, Technology, Efficiency", and insists on "Attitude, Innovation, Confidence" to manufacture products, has passed ISO9001 quality management system certification, and has a number of world patents, fans have passed UL , TUV, CE and other international certification. The company is more active in maintaining the earth's ecology and environment, and is committed to pollution prevention and improvement, reducing energy consumption, producing environmentally friendly green products, and complying with international environmental regulations. The green products we produce all meet the requirements of the EURoHS directive for six hazardous substances (including lead (Pb), cadmium (Cd), mercury (Hg), hexavalent chromium (Cr6+), polybrominated biphenyls (PBBs), polybrominated biphenyls (PBDEs), And passed the international SGS certification.
The company's brand COMDELL has won many awards from IT media at home and abroad, and has carried out technical cooperation and exchanges with Tsinghua University in Taiwan. It has a professional radiator test platform and fan wind tunnel laboratory, which makes the data of the product more accurate. .
In line with integrity and responsibility, we are committed to meeting customer requirements, and provide perfect services with the latest technology, innovative methods and stable quality, and constantly strive for perfection, perfect design and manufacture of our own products; Dayue Motor will always be the Your first choice!

Introduction
RUIYUAN was established in 2002, located in Tianjin City,the second largest port city in China.We have been focusing on different kinds of high quality wires: enameled round copper wire, rectangular enameled copper triple insulated wire, silk covered Litz wire, bonding wire and special enameled wire for 19 years.Ruiyuan is one of the pioneers in producing micro thin enameled wires below 0.03mm in China. Our R & D team has 20 years of market experience. In 2019, our finest diameter is 0.011mm, and mass production has been achieved. All of our products are UL, RoHS certified, in line with industry standards IEC60317, JIS C 3202, NEMA, NW82.
History
Founded in 2002, Ruiyuan has been in the manufacture of enamelled copper wire for 19 years. We are one of the pioneers in producing micro thin enameled wires below 0.03mm in China. We have achieved the goal of "zero pinholes after stretching" for ten years. In 2019, our finest diameter is 0.011mm, and mass production has been achieved.When the displays return the transformer industry, we are the No.1 Chinese brand with a share of cake.We combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. The enameled wire lies at the heart of technology we use every day – appliances, generators, transformers, turbines, coils and much more. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.
As a leading enameled wire supplier, Ruiyuan combine the best manufacturing techniques and enamel materials to create a high-quality, best-in-class enameled wire. Nowadays, Ruiyuan has the global footprint to support our partners in marketplace.
Service
Ruiyuan has a heritage of innovation, along with advancements in enameled wire, our company has grown through an unwavering commitment to integrity, service and responsiveness to our customers. As a leading supplier of enamel copper wire, we have earned a reputation for providing a superior customer experience and first-class quality and cooperation. We look forward to continuing to grow on the basis of quality, innovation and service.We rival the internationally renowned enameled wire brands for production, technology, raw materials.We surpass them in terms of "service, quick response". More and more well-known customers choose us as suppliers-Philips, Bosch, Panasonic, Samsung ...

VOKA, Vogtländisches Kabelwerk GmbH, is a company rich in tradition. It was established in 1919 and has become a leading specialist in the production of telephone and communication cables over the history of cable industry.
VOKA is a medium-sized company with approx. 350 employees. Our affiliation to a leading German cable group supplements the advantages of a medium-sized company with the opportunities of a specialised group.
The supply programme includes telephone cables from in-house use up to LAN networks as well as underground cables of various types for long-distance and local networks, e.g. for German Telecom. Furthermore we manufacture signal cables for railroad operation and for monitoring and control of industrial plants. In addition to our core business our supply programme includes electronic and safety cables of various types and customised special cables. We use different materials like PVC, PE or PUR as well as halogen-free compounds for the production of these cables.

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