stainless steel open impeller casting materials:304,304L,316,316L,J93404,J92205, ... CAD , Solidwork, CAXA UG, CAD/CAM/CAEPrecision machiningCNC, milling machine,drilling machine,all types of lathe Surface finish processsand blasting,heat treatment ... service availableProductall kinds of casting(unit weight ≥5kg)AdvantageGood quality and strict delivery time