precision finishing for small part for hose ferrule,We fabricate brass parts over 5.000.000pcs per ... steel,zinc. 2) Surface treatment: nickel plating, zinc plating and chrome plating. oxidation3) Able to produce parts with external diameters ... 4) Main processes: groove, milling, grinding, drilling, threading, broaching and knurling. Turning, Drilling, Polishing5) Equipment: CNC lathe, CNC milling ...