Steel Forged Auto¡¢Motorcycles Connecting Rod£¨blank£© Machining Processes£º - Forging raw materials - Heat treatment - Machining - Testing - Abrasive Blasting - Package Processing Equipments£º 150kgs/250kgs/350kgs air-hammers 300T/400T/630T/1000T friction press machines 160T/250T/315T punchers Materials£º Carbon Steel, Alloy Steel, Stainless Steel Unit weight of die forging£º 0.1 - 15 kg/pcs Manufacturer Certification£º ISO 9001:(2008)