Xinyuan Superhard Material Products CO.,Ltd, is a high technology enterprise which specialized in developing and producing superhard abrasive materials and diamond & CBN products, It was founded in 1992 , have more than 300 employees, we have XinYuan and Sihard two brands and three factories . Main products include: Synthetic diamond,Diamond micro powder, Metal bond diamond grinding wheel, Resin bond diamond grinding wheel, Ceramic bond diamond grinding wheel.