CHANGZHOU JIANHUA CHANGSHENG TOOLS. We are a professional manufacturer of customized high precision solid carbide cutting tools for over 20 years. We are a professional drill bit china manufacturer.We mainly produces solid carbide: drills, milling cutters, reamers, drill reamers, boring tools, hole processing tools, et...Read More>>
We are suppling reamers and Drill Bits for national Aircraft Manufacturers on C919 Aircraft project. Our products stand out in the competitive tender of this project, including bidders from Japan, German and America.
25 years experience in cutting tools. Provide professional advice and technical support in cutting tool design and application.