Shijiazhuang Hengyuan Engine Valve Manufacturing Co. Ltd is specialized in manufacturing and selling the inlet and exhaust Engine Valve of cars, trucks and motorcycles, etc. . We can manufacture various Engine Valve, sufficiently meeting different demands of the valve property and material. We can also go ahead according to drawings or samples. Shijiazhuang Hengyuan Engine Valve Manufacturing Co. Ltd. adopts the international advanced management mode, chooses the special material and the advanced productive technology to manufacture all kinds of the Engine Valve, such as Thermometal Friction Welding, Plasma Transfer Arc (PTA) Welding for the Valve Seat Hardfacing with the alloy powder, Salt Bath Tufftriding, Computer-controlled High Frequency Quenching, Spray Welding for the valve stem end and Profile Grinder, etc.