The registration address of tonche (shenzhen) accreditation ltd. Is located in 8-9 of 251 red star community homes in boang district, shenzhen city. The registration authority is the shenzhen market supervisory authority, represented by legal persons, and includes business management advice; testing technical advice; business information advice; computer technology development; and network technology development. Wholesale of jewellery; retail sale of jewellery; jewellery recycling services. (in addition to projects subject to legal authorization, operating independently in accordance with the law)。