The legal representative of Guangdong Gold, Silver and Jewelry Testing Center Co., Ltd. is Yang Dehua. The shareholders of the company are Chen Shan, Zhang Xiangjun and Wang Hongji, and the main personnel of the company are Chen Fen and Pan Yu, so there is no Gao Rongguang in the company.

Guangdong Gold, Silver and Jewelry Testing Center Co., Ltd. was established on June 6, 1997, and its registered place is located on the second floor of No.81Nonglinxia Road, Yuexiu District, Guangzhou City, Guangdong Province.