cnc machining 1,Processing by drawing 2,Precision equal to or less than 0.03mm 3,Processing technic:CNC 4,Best price Shanghai Yijian ... mechanical equipment Co., LTD was established in March 2002, now located in Shanghai city, The factory’s area is ... standard production according to customers' drawings or samples*Material:stainless steel,brass,copper,hardeded metals,carbon steel,alloy steel,ect ...