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 ...

World Gems Center is a Hong Kong based company dealing in variety of mineral, natural stones etc. At present we deal rough Tantalite, Columbite, Granite, Tourmaline, Agate, Quartz, Labradorite, Chrysolite and much. All these stones/mineral are available at ...