... 1.Material:Metal(SS,Aluminum) 2.Precision CNC Turning,Drilling,Boring,Milling 3.OEM CNC Machining A,certification: ISO9001:2008B,Products Availablebolts ... , spline shafts, dart shafts),gears (pinions, wheels ) bearing, LED light-fixture, auto parts, electronic parts, etc.C,Advantage1. Competitive price with good quality ...