... NameJijiCommodityArtificial GemstoneManufacturerWuzhou Jiji Jewelry Co. LtdMaterialGlassWhat we supplyCubic zirconia, corundum, spinel, crystal glassOriginal PlaceWuzhou, Guangxi, China(Mainland ... heated directly to 600 Celsius degrees, cubic zirconia will take chenical reactions with oxygen,then ... use various materials, such as cubic zirconia, glass, spinel, and corundum, to produce gemstones. We can ...