GR Technology International Limited is a globally-leading provider of Z-wave intelligent equipment. GR Technology International Limited has more than 100 kinds Hi-tech products which is a popular Z-wave intelligent brand. The main business includes the internal and external market, with providing the solution for security,smart home application, smart hotel system,KTV controller, Ehealth, and so on .The products are adopted by the Z-WAVE alliance CEF15835-2 certification, and has been included in the Z-WAVE alliance the implementation of standards, with the Z-WAVE alliance admit Convention (CEF) on the production and quality assurance. The company is headquartered in Hongkong and the factory is located in Changping , Dongguan city, GuangdongProvince which produce white Z-wave intelligent devices.