cemented carbide teeth: 1.Use 100% virgin raw material 2.ISO9001 3. For coal industry, etc 4.From state-owned company

Our company is a long established company producing quality cemented carbide inserts since 1964. We are specialize in the manufacture of carbide inserts for DTH drills, shield tunneling machine, oil drills, dies, and rock drill tool. We are a typical state-owned company; belong to Central South University, which is a National Key University.

Our company has 145 employees, include more than 30 engineers, 10 senior engineers. Leading products of us are carbide inserts use in mining industry. We have passed ISO9001:2000 in 2001. YJ series products have been got National Silver Medal. Y and G series won “Hunan Famous Brand” for five successive years since 2007, that year our company was identified as high-tech enterprises in Hunan Province. In 2008, new product “G206” got support from the project of “state key new product”. In 2011, our general manager (Master's Supervisor) won the first prize in “National Science and Technology Progress Award”. With the annual output increase to 500 tons, we have developed into a comprehensive one with import and export rights approved by the government.

Type	Dimension
	L		H		S
	Dim.	Tol.	Dim.	Tol.	Dim.	Tol.
40×35×25	40	±0.50	35	±0.4	25	±0.2
39×33×25	39	±0.40	33	±0.4	25
45×35×23	45	±0.40	35	±0.4	23
22×20×13	22	±0.25	20	±0.2	13
20×20×15	20	±0.20	20	±0.2	15

Cemented carbide for milling cutters