Current location - Plastic Surgery and Aesthetics Network - Jewelry brand - Is it true that Guangzhou Zhongjinjian Jewelry Testing Center?
Is it true that Guangzhou Zhongjinjian Jewelry Testing Center?
Yes Guangzhou Zhongjinjian Jewelry and Precious Metals Testing Co., Ltd., also known as Zhongjinjian Jewelry and Precious Metals Testing Center (CMTC), is a legally authorized quality testing institution for jewelry and jade, and a third-party testing institution approved by CMA, the national product quality supervision and inspection institution, and CNAS, China.