... etc. 2.Standard:ANSI,GB,BS,DIN 3.Processing:Investment casting 4.ISO9001 1.Technique:Silicasol / soluble glass process2.Weight ... .Surface treatment:Polishing,maching,plating,heat treatment,etc4.Casting facility:electric stove5.Machining:numerical lathe,milling machine, ... planer,grinder6.Application:industrial parts,machinery parts,valve parts,train,craft,doorhandle,construction and so on. ...