Hangzhou best extension detecting technology service Co., Ltd. is a professional engaged in products export certification technology services company. Company is committed to the customs union CU - TR certification, Russian GOST - TR certification European CE certification, Indonesia SNI, Thailand TISI certification, the BIS certification, SASO certification, certification of LOA, SAA, CE, CB, COC inspection in the Middle East and other countries certification services. In addition, in order to better service. Hangzhou extension set up safety and EMC laboratory, is committed to providing customers with safety, electromagnetic compatibility, chemical, performance test, environment test, such as a full range of technical services. Can provide a set of universal standards for products technical services, service scope covers makes certification consulting, technical support, preparation, repeat the test, expert guidance, and according to customer requirements to provide a series of annual follow-up service.