... , coal, soda ash, food, grain, etc. On special reducer of spiral, the speed reducer is a new type of hard-toothed surface ... strong, the transmission efficiency, easy installation, overcame the old-fashioned reducer (F5 or F2 type) of the leakage of oil leakage ... to your inquiry! JC219-2 JC273-2 JC325-2 speed reducer for machinery