... manufacturing gemstone 3. Accept various orders, quick delivery Product Information Brand NameJijiCommodityArtificial GemstoneManufacturerWuzhou Jiji Jewelry Co. ... UnionShipmentBy UPS, TNT, FedEx, EMS, DHL, etcUsageAccessories, jewelry, cloths, shoes, horologes, craftsPackaging1. Packed in soft paper ... chenical reactions with oxygen,then become yellowWuzhou Jiji Jewelry Co., Ltd., located in the World ...