Henan Zhongtu Superhard Material Co., Ltd is located in Zhengzhou high-tech Development Zone. It is a high-tech enterprise integrating production, sales, service and research. The company has grinding wheel workshop and cutting tool workshop. Monthly output of grinding wheels are 5,000 ~ 7,000 pieces and Turning tools are 100,000 ~ 130,000 pieces.Ztsuperhard adopts advanced technology and equipment, strict quality management, and has won highly praise from customers. Our main products include resin bond grinding wheels, vitrified bond grinding wheels, metal bond grinding wheels, electroplated bond grinding wheels, PCBN cutting tools, PCD cutting tools etc.