... : 1- 20t 3- Lifting Height: 3- 40m 4- Stationary type heavy duty electric hoist Which is a light and small crane machinery ... machine tool etc precision work. Therefore, the useful scope of MD1 is wider than CD1 type. To satisfy the requirement fo heavy duty ... hoists work, our factory still Produce HC20T, HDG Type heavy duty, Anti-explosion etc all kinds ...