We do maximize our effort to use our technical know-how to recycle natural resources and manufacture high purity metals for niche markets. Developing niche market and satisfying customers’ needs are our goals. We contribute to global society with our motto “Earth Friendly”.
Kohsei Co., Ltd. Kitakyushu Plant

We recycle used cemented carbides and produce rare metals such as high purity metal chromium (Cr), high purity metal rhenium (Re), ultra-pure Co and so on. We provide essential metal materials required for daily life by high processed high technology which is based on recycle technology of cemented carbide scraps as our main product such as metal refining, milling, and sintering, etc.