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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".

Hong Kong Suntex Electronics is a comprehensive manufacturer in the wire harness industry.The company was established in 2009. For over 15 years, we have always adhered to the pursuit of professional application technology and international scientific management methods. From CONNECTORS to wire harness processing equipment, from household appliances to aerospace, We are committed to providing customers with various solutions, constantly pursuing innovation and high quality.

STAR Electronic started its business as manufacturer of various connectors, like PCB terminal block, female header, pin header, auto connectors and so on. Throughout the years we are developing to not only connector supplier but also wire harness/cable assembly manufacturer for home appliance and automotive market, one comprehensive connection solution supplier for our old and new customers. With years of experience in this field, we have been successfully expanded with one network with components and assembly facilities which enable us to control all cost under reasonable range and meet various lead time requirement. 

Nowadays, STAR Electronic is a leading enterprise offering full range of connectors and wire harness to South& North America, European and Asia countries. STAR customers are from industrial field contractors, car maker sub-contractors, after-service market, like FCI, DANAHER, and DELTA.

STAR insists that quality is the existence and service is the basic for one company. Once you offer a chance to STAR, STAR will reward what more than you expect. 

Shenzhen Jiacheng Electric Group was founded in 2005, UL certified factory.we focus on customized high quality wire harness and cable assembly,PCBA,Mechanical fabrication, electric cabinet,box build ,POS terminal assembly, OEM,ODM for products, our solutions are widely used in self-service kiosk/ATM solution, Robot, industry and automation, medical instruments, electron and communication systems.Our core value are High quality, Resonable cost,Quick response and One stop service.
Our group are made up of ISO9001:2015 certified plants, ISO13485,IATF16949,UL Factory, professional in each product field , manufacture capability as below:
A.6800㎡mechanical manufacturing and assembly shop,manufacture capability: Precision Sheet metal fabrication,CNC machining, Plastic injection molding, Assembly;
B.6000㎡ PCBA&EMS（SMT&DIP process) shop, Our factory has a number of lines of SMT, assembly and testing, well-equipped with brand-newly imported Juki and Samsung SMT machine, full-automatic solder paste printing machine, ten temperature zone reflow oven and wave-soldering oven. Our factory is also equipped with AOI, XRAY, SPI, ICT, full-automatic splitting machine, BGA rework station and conformal coating machine, with air conditioner and dust-free workshop and lead-free manufacturing process.
C. 2200㎡ Electrical shop, Manufacture capability: Wire harness and Cable assembly;
We have offices and warehouses in Hongkong, London, Hungary and USA.our customers are all over the world, we have many years cooperation experience with oversea customers specially with UK, Germany,France,Italy,Switzerland,American,Canada,Australia, ETC.