Changsha Central south Kaida Powder Metallurgy Co., Ltd was entitled as High-tech Enterprises in Hunan Province. Own Independent research institution -Institute of Mining Carbide, Powder Metallurgy academe, Central South University. Our mainly products is cemented carbide products such as bits, buttons for mining, coal-cutting bits, shield machine tools , engineering tools, cemented carbide dies, Abnormal wear parts . Products sales both in home and abroad. We have a standardized corporate governance structure and a sound internal management system, passed the ISO9000 quality management system certification in 2001 . Several titles and awards are won. "Insist on quality first, to achieve customer satisfaction" is the concept of the company. With the Technology accumulating of more than four decades. products quality is stability and we constantly pursuit the quality upgrading and new product development . we always do our best to the cemented carbide industry