1, quality assurance: Qin Jewelry has very strict requirements on product quality, and all products have been inspected by the quality inspection department, and the products sold are true.
2. Business license: Qin Jewelry is a sub-brand of Shenzhen Qianhai Yunke Investment Co., Ltd. It has a legal business license and consumers can buy it with confidence.
This is the symbol of CMA. C is the outer frame. This is the symbol of national metrology certification. With this sign, it shows that the applicant has passed th