... :Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling 3.OEM CNC Machining A,certification: ISO9001:2008B,Products Availablebolts ... order qty) 4. Customized size and spec /OEM available5.Near shenzhen and HK, convenient transportation6. Application ... Aluminum: Al6061, Al6063,AL7075,AL5052 etc.E,Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding,stamping ...