... Good after-sales services.2.Technical specifications: Product namePrecision cnc parts / cnc partCapabilitiesCNC center machining, Milling, drilling, turning, grinding ... ,Laser Etching,Pad Printing.Painting,Parkerizing,Plating,Polishing,Powder Coating,Precious Metal PlatingApplicationsFasteners,Housings,Inserts,Pinions,Pins, ... CNC aluminum cylinder with inner threaded lathe parts in dongguan china