Guizhou yuya auto parts manufacturing co.,ltd. Was founded in 1992, located in guizhou province,china. specialized in manufacturing cast iron cylinder heads, crank shafts and camshaft for diesel engines. At the same time, we are keep developing new models for the after market. Now, we have successfully exported our products to south America, Middle East, Asia etc.. Our aim is offer our customer the best price with high quality and good service. Kindly please contact us for more information.