No.751Dongfeng East Road, Guangzhou. According to Baidu map query, the address of Guangdong Jewelry, Jade and Precious Metals Testing Center is located at No.751Dongfeng East Road, Guangzhou. Guangdong Gold, Silver and Jewelry Testing Center is a provincial jewelry testing institution approved by the People's Bank of China and authorized by Guangdong Technical Supervision Bureau. Passed the rigorous evaluation and examination of measurement certification, inspection and acceptance and national laboratory accreditation. It is the jewelry quality dispute inspection unit designated by the Provincial Consumer Council and the 15 professional skill appraisal station approved by the Ministry of Labor and Social Security. It is an impartial third-party gold, silver and jewelry inspection laboratory. The report and certificate issued by it have legal effect, and the test results are internationally recognized.