... 3.Export to JP 4.ISO9001:2008 Steel machined welding box we are just a factory in Wuxi, China, maufacturing ... .002mm 6.Angle clearance:R0.03mm Item Steel machined welding box Material Steel ,Stainless steel, Iron ,Aluminum, Brass and ... on.Main process Machining,turning,milling,drilling,grinding,boring,stamping,threading, tamping and etc.Production equipmentInstrument lathe, CNC lathes machine , ...