... 4.Surface treatment:Zinc plated High quality cnc machining zinc plated steel spur gear Our Advantages ... blasting, Brushing & ploshing etc.3) Processing equipments:CNC machining center, CNC lathe, grinding machine, automatic lathe machine, ... EDM etc4) Our services:Machining, Turning, Milling, Stamping, Casting5) Application:Automation machine, medical device, industrial machine, automobile, electric ...