... 1 Low tolerance 2 Precise Machining 3 Short lead time 4 Excellent qulity & service CNC Precise metal plateA:certification ISO9001: ... SS303, SS304, SS316 etc.2. Steel:Q235,20#,45# etc.3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200( ... 6. Aluminum: Al6061, Al6063,AL7075,AL5052 etc. E.Processing Method cnc machining, turning, milling, drilling, grinding, broaching, welding,stamping, ...