Wuzhou Weiwang Gems Business Department is located in the World Capital of Synthetic Gemstones - Wuzhou City, Guangxi, China. Founded in 1994, we have been specialized in gemstones for almost 20 years with our own factory. We are specialized in marketing and manufacturing lab created gem stones, including cubic zirconia, crystal glass, spinels, corundum and black onyxes, artificial rubies, sapphires, tanzanite loose gemstones. Any size and color can be supplied. Customers can choose the ...