... .Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling 3.OEM CNC Machining A,certification: ISO9001:2008B,Products Availablebolts, ... SS304, SS316 etc.2. Steel:Q235,20#,45# etc.3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), ... Al6061, Al6063,AL7075,AL5052 etc.E,Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding,stamping, and ...