... Copper ,brass,steel, stainless steel,Aluminum 2.Turning&boring parts Precision non-standard metal parts1.Material: Copper ,brass,steel, stainless ... alloy, brass, etc.2.Process:CNC lathe works , turning ,finish machining3.Major product:precsion machined steel parts, investment ... gear & worms,screwed connectionhigh accuracy ss parts,sheet metal stamping parts,etc.4.Featureshigh precision ,quality,and ...