Shenyang Hanwei Machinery Manufacturing Co.,Ltd Focus on the design and manufacture of heavy mechanical transmission parts for 20 years. The products cover a variety of industrial gears, racks, worms, ring gears, gearboxes, planetary reducers, oil film bearings, non-standard reducers, slurry pumps, plunger pumps and vibration exciters etc. The products meet the ISO, CTI, SGS, RoHS requirements. Excellent quality and supporting services help you to stabilize production.