Material: brass / aluminum / stainless steel. Surface treatment: nickel plating, silver plating and gold plating. Able to produce parts with external diameters between 2 and 100mm with tolerance of +/-0.01mm. Main processes: groove, milling, grinding, drilling, threading, broachyng and knurling. Equipment: CNC lathe, CNC milling machyne, meter lathes, automatic lathing machynes. Parts can be supplied according to customers' drawings or samples. Minimum Order quantity: comply with customer’s demand. OEM and ODM orders are welcomed Competitive price, High quality and quick delivery.