... 1.Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling 3.OEM CNC Machining A,certification: ISO9001:2008B,Products Availablebolts ... and other industrial uses.D,Materials Available1. Stainless Steel: SS201, SS303, SS304, SS316 etc.2. Steel:Q235,20#,45# etc.3.Brass:C36000 ...