machining part 1.Precision turning product 2.Excellent accuracy 3.Advanced inspection measure 4.Strict operation control cnc machining part,copper machining partsWe ... ganrantee quality,the price is reasonable Material,(copperD,aluminium,stainless steel,white steel,iron,alloy availible) ... finnish available)Accuracy,0.004mm by iron and aluminium,0.006mm by stainless steel and copperDrawings, ...