Danyang Coinch Special Steel Co., LTD. is a professional High speed steel and tool steel manufacturer integrating R&D and production. It has accumulated more than 20 years of valuable experience in the production of steels and drill blank. Under the guidance of the concept of "win-win", Coinch has more and more extensive cooperation and more and more solid cooperation with well-known domestic tool enterprises,has become a long-term strategic partner and stable raw material supplier of national key tool manufacturing enterprises now.