... energy-saving, low noisy. 2.Little vibration and easy maintenance. 3.Pass ISO9001:2008, SGS, CE Feature1. Low energy consumption, low noise, small vibration, low ... , good rigidity, high strength and excellent heat-loss.5. Advanced design: Gear Pair processed by carburizing ... equipment in industries like Iron and steel, chemicals, oil, beverage, food, electronics, leather, pharmaceutical, textile ...