... OEM service based on the drawings or samples from customers Auto CrankshaftMaterial: steel,Stainless steel OEM service based on the ... or samples from customers Advanced equipments: Machining Center,CNC, auto-lathes, punching equipments and many other auxiliary equipments like drilling ... pressure testing bench, various calipers, thread ring and plug gauges Annual outlet: up to 60,000,000 pieces 30 days ...