Zhengzhou Diamond Company is built in 1997, and is a full line supplier of industrial diamond and CBN (Cubic Boron Nitride) products for superabrasive tool manufacturing. Our superior quality products are engineered to meet the demands of many types of cutting, drilling, grinding, forming and wear part applications.The following product ranges represent the largest and most comprehensive diamond and CBN choice available: Diamond Grinding Wheel Diamond Drilling Bit Diamond Die Blank TSPAny more information, please contact us.