Not safe. Henan Tiancheng Jewelry Group Co., Ltd., founded in 1998, belongs to Henan Tiancheng Jewelry Group and is located in Zhengzhou City, Henan Province. It is a wholesale-oriented enterprise. It is unsafe for the company's gold to return to the factory for maintenance. In the process of maintenance, the quality of gold will be reduced, resulting in losses and low purity. In these cases, we should report to the local people's bank and the administrative department for industry and commerce to safeguard the legitimate rights and interests.