... / Steel Alloys; Nylon; POM; Acrylic; Derlin. Machining: Machining center, CNC, conventional machines, all current processing methods Surface treatments: Shot blasting, hot-dipped ... , tumbling, powder coating, painting, polishing and passivated. Main equipment: CNC lathe, automatic lathe, hand lathe grinder, thread rolling Machine, tapping drilling machine etc. Quality ...