... 4.OEM Machining precision mechanical machining auto parts, metal auto parts, car parts, motor parts Ⅰ.BRIEF INTRODUCTIONWe can offer CNC machining ... The line of production: valves, construction parts, auto parts, railways parts, marine parts, structure parts of printer, copycat, electrograph, connector (civil ... magnesium, Aluminum alloy, and zinc alloy etc.Grey iron, ductile iron, cast iron etc.PP,PE ...