Process: Drop Forging / Hot Forging, Cold Forging Processing Material: Carbon steel, Stainless steel, Aluminum, Brass, Copper Equipment: Hydraulic open die presses, Friction press, Air hammers, Ring mills, CNC machining center, punching machine, drilling and grinding machine, and sand blasting machine Testing equipment: Projecting profile, thread ring and plug gauges Heat treatment: Quenching and tempering, Normalizing or refining Surface treatment: Shot blasting, anti-rust oil, Hot-dipping Certificate: ISO9001: 2000 TS16949