GT SMART (Changsha) Technology Co., LimitedGT SMART(Changsha) Technology Co., Limited is the company of GT Group. GT Group's version is to provide “From idea to product” for full features of electronics, we provide a one-stop service to help customers with sourcing; We are group companies that includes idea design, PCB design, Structure Design, PCB manufacturing, PCB assembly, E-test fixture manufacturing, box-building in house,Solar energy. Ourheadquarter is located in 4F, No.5 Building, Dingfeng Technology Park, Shayi Community, Shajing Town, Baoan District, Shenzhen, Guangdong Province, China.Golden Triangle GroupGolden Triangle PCB & Technologies was founded in 2008 as a full-service China PCB fabrication manufacturer specializing in the high mix. Low/medium volume and quick turn prototypes for R&D; our PCB board manufacturing products are widely used in telecommunication, computer application, industrial control, high-end consumer electronics, medical treatment, etc. As w