... professional engineers 4,verious types SpecificationsSteel forging part Materials: carbon steel or alloy steel Precise dimensions, stable quality Certificate: ISO/TS16949Steel forging partAll ... , welding, extrusion, CNC machining and assemblingAll materials available: iron, carbon steel, alloy steel, stainless steel, aluminum, brass, bronze and zinc alloyStandards: JIS, DIN, ASTM ...