NO.35 Dongqing Street High-tech Industries Development Zone Zhengzhou, Henan
Zhengzhou Combetter Superhard Material Co., Ltd is one of the largest exporters superhard materials around world. With many years experiences in production and design, our company has become a leading enterprise that industry. We are specialized ...
diamond tools, drill bits, saw blades, grinding wheels, chisels, cross bits, electricplated products, drills, cutting tools, bits, pcd, cbn