Kam Shing Gems Co is one of the leading manufacturers Hydrothermal Quartz, Cubic Zirconia, Synthetic Stones, Natural gemstones and Rough. We have our shipping office in Hong Kong china factories located Jiang Su, Xi & Buji. With reliable quality, reasonable price prompt delivery, products are ...

Seasons International Mining Industry Ltd. is a professional and legal siliceous quartz mining, processing company. Focused on the development of pure silica sand, powder enterprises, we have largest reserves in Southern Jiangxi Province. The Gannan area has best quality ore. With expected ...