Grammy Inspection Co., Ltd. Shenzhen is Shenzhen Green Tech Co., Ltd., a wholly owned U.S. subsidiary of a registered capital of 500,000 yuan. Shenzhen peers in the industry-leading materials research center, has nationally recognized testing laboratory CNAL and national measurement CMA double qualifications to become internationally recognized laboratories and public open testing center. Is "environmentally friendly metal Shenzhen Engineering Research and Development Center", "Shenzhen Baoan District, public testing platform" of the support unit, as new materials, Shenzhen, public technology platform (the Baoan test). The company established standard laboratory testing, Baoan, Shenzhen Baoan District government first listed, with independent legal personality of public testing platform. With Grammy Inspection Co., Ltd. Shenzhen, Shenzhen, metal engineering and environment-friendly technology research and development centers of scientific research and cutting-edge technology, RoHS, electronics, new materials, and other areas of the testing instrument calibration has an absolute leading position is Bao'an District, the biggest and most authoritative testing center.