We have been exporters for many years. our products are as follows: 1: Powder Metallurgy: Bushing, Valve guide, Gear, Water pump pulley, Oil pump rotor, mechanical parts, power tool parts, structure unit ect. . . The materials are copper base, iron base and copper & iron base. 2. Water pump: water pump pulley, water pump flange. 3. Auto piston, piston ring, iron and steel fasteners and forging parts and so on. we can off you these products at a low price and high quality. we have passed ISO9001and TS16949. i hope we can make a long- term cooperation. We also provide OEM service and send free samples with freight collect. Please contact me with details.