... brass,steel, stainless steel,Aluminum 2.Turning&boring parts Precision Non-standard Metal Machinery Parts1.Material: Copper ,brass ... ,steel, stainless steel,AluminumThe machined parts can be use other material according to customers' ... worms,screwed connectionhigh accuracy ss parts,sheet metal stamping parts,etc.4.Featureshigh precision ,quality,and competitive pricecustomerized drawings ...