... used in metallurgy, mine, transportation, power, cement, building, chemical, textile and light industry. Features: 1. Compared with the former reducers, the ... 40%, but service life are increased by 3~4 times, and carrying capacity are increased by 8~10 times. 2. Housing not ... as gears, shafts are made if high-strength alloy steel and treated with carburization, quencher, gear grinding. The precision of ...