... and CNC machining OEM service 1.Description: Precision Investment, Lost Wax ProcessSteel,Stainless Steel,Cast Iron Machined Castings and CNC ... Ductile Iron,alloy steel,stainless steel,etc3.Good surface,Tight tolerance,Fast delivery4.Standard:GB,AISI, BS,DIN,ASTM5.Weight: ... capacity: more than 300 tons per month7 Precision Investment, Lost Wax Process Steel,Stainless Steel,Cast Iron Machined Castings and ...