Wuzhou Yinzheng Gemstone Co.Ltd,established in 1997. lt is a company that specialize on popularcolor synthetic stones and natural colored stones(for whole sale&retail).During the long-term development,company's products are not just only white series and brown series,but also blue spinel series,red series, nano colorful nano sital series,Yag series,synthetic combined stone series, cat'seye series, starlight stone series, color-changed glassseries, blue corundum series,white corundum series best cutting white series and so on.