What’s the difference between S990 silver and s925 sterling silver ? The chemical properties of silver are very active,. under the high temperature silver without plating in the light is easily contact with the sulfur dioxide in the air then will produce chemical reactions, the formation of black...Read more »
Why choose Jingying jewelry Guangzhou JingYing Jewelry Co.,Ltd was established in 1998, specializing in producing & exporting fashion jewelry. We have one Grinding factory and Plating factory located in Guangzhou and there is another Sub-factory in Wuzhou, Guangxi .We have 6 production teams ...Read more »