sintered metal structure parts, such as auto parts, gears, hardware parts, garden tools parts, sewing machine parts, and so ... :1.) Pistons, Foot Valves, Rod Guide for Shock Absorber,2.) Gears / Pinion / Sprocket / Helical Gear etc. 3.) Garden Tools parts4.) Fasteners ... build long-term and stable business relationship in future. Duplex Gears