... assembly types according to output sh Heavy-duty industrial gearbox ( (DCY Gear Speed Reducer)Shanghai Goldgun aims at "a ... Parallel Shafts Hardness Gearbox3. Cycloidal Reducer4. Worm Reducer5. Variable Speed Reducer (stepless reducer) (0.12kw-7.5kw)6. ... in chemical, metallurgy, mining, cranes, cement, conveyors, paper, rubber&plastic, printing&dying, textile, food, woodworking, glass, environment ...