Established in 1995, Shijiazhuang Huacheng Automobile Accessories Co., Ltd. (original named Shijiazhuang Internal Combustion Engine Parts Company.) is specialized in manufacturing engine valve for heavy duty truck, agricultural & engineering machinery, marine power and other models. We have 67 employees, it occupies the area of 50 thousand square meter, annual production capacity is over 10 million pcs of intake & exhaust valves. Our processing range for the valve stem diameter is from 6mm-16mm. The company have independent research and development team, the proportion of engineering technicians is more 30%. In 2010, the company conducted complete technical innovation and upgrading for production equipment process flow. CNC connection processing line ensure machining precision of products, U type quenching for valve rod slot, Valve seat welding (STELI), Welding of double metals, Automatic continuous furnace for heat treatment. All of these improvements and optimization ensure products