Zhengzhou Synthetic Diamond and Products Engineering Technology Research Center Co., Ltd., established on 2004-07-26, Business scope includes diamond jewelry,Gold and Silver Jewelry,Jewelry, jewelry,Emerald Jade Jewelry,Inlaid jewelry,crafts,Synthetic diamond and its products,equipment,Material,tool,Research on Electromechanical Products,to develop,Production,Sales,detection,Technical Advisory Services and Technology Transfer;Operate the import and export business of products and related technologies in this industry.