Jiangsu Xingzuan Superhard Material Co., Ltd.(former name: Jiangyin Xinghu Diamond Tools Co.Ltd.) was established in 2005, passed the ISO9001:2000 certification, introduced the manufacturing technology and concept of diamond grinding wheel.Our main products include diamond wheel, internal grinding wheel, centerless grinding wheel.We have many excellent professionals engaged in superhard materials and products for many years providing stable quality products and service through scientific and strict management.