... alloy steel , heat resisting steel and carbon steelThe machined parts can be use other material according to customers' requirements2. ... transmission components,gear & worms,screwed connectionhigh accuracy ss parts,sheet metal stamping parts,etc.4.Featureshigh precision ,quality,and competitive pricecustomerized ... ,ANSI,ASTM,BS,GBOthercustomisized designs are available machining parts-China OEM part