... in the powder metallurgy industry3. Professional technology serviceApplicationgear pump gear, oil pump gear, gear box, general machine gear, electrical appliances ... -forming ——Re-sintering ——Sizing —— After treatment——Carbonitriding quenching——Oil impregnant——Packing——ShippingManufacturability1. Auto Mechanical Press: 50T, 100T, 140T2 ... CMMQMSISO9001:2008ISO/TS16949:2009 Powder Metal Gear for Oil Pump