Reliable. Guo Da Gold, Silver and Jewelry Quality Testing Center is reliable, which was established by China Council for the Promotion of International Trade and China Gold Association. The testing scope, items and standards of this institution have also been recognized and supported by relevant state departments.

Guo Da Gold, Silver and Jewelry Quality Testing Center is reliable. (Shenzhen) Gold and Silver Jewelry Quality Testing Center Co., Ltd. was established on July 14, 2065438, with its registered place at Yutian Community 1 Building1KLOC-0/,Cuizhu Street, Luohu District, Shenzhen, and its legal representative is Huang.

False, cma certification number can't be found on CNCA's website. The number of CNA was stolen from the inspection in Guangdong province. The icp filing information on the website can't be found at all. There is no such appraisal center for enterprises to inquire.

This center is real. According to official website information of Guo Jinzhubao Testing Center, Foshan Guo Jinzhubao Testing Technology Service Co., Ltd. is a formal jewelry testing service organization that has passed the qualification certification (metrological certification) of national product quality supervision institutions and is recognized by laboratories.