... and CNC machining OEM service 1.Description: Precision Investment, Lost Wax ProcessSteel,Stainless Steel,Cast Iron Machined Castings and CNC ... Tight tolerance,Fast delivery4.Standard:GB,AISI, BS,DIN,ASTM5.Weight:0.02kg-500kg6.Production capacity: more than 300 tons per ... month7 Precision Investment, Lost Wax Process Steel,Stainless Steel,Cast Iron Machined Castings and ...