We have specialized in manufacturing valve seats and valve guides for more twenty years. Our products can be used in the engines of the agriculture machines; industry mine machines and mechanism engines. The products are fit for the engines of  European and American series such as  BENZ, PEUGEOT, V.W,FORD, RENAULT, VOLVO, CUMMINS ect. and also are fit for the engines of  Japan and south Korea series such as ISUZU, MITSUBISHI, HINO, TOYOTA, KOMATSU, HYUNDAI ect. Furthermore, we can especially produce products with other special sizes in the light of the customer' s requirement.