it is a small-sized lifting equipment, CD1 wire rope electric hoist has only one normal speed, which can meet normal demand, MD1 model electric hoist provides two speeds; normal speed and low speed, at low speed, it can do precise loading and unloading, mounding of sand box, maintenance of machine tools, etc. MD1 wire rope electric hoist is more widely used than CD1 wire rope electric hoist to meet the needs of lifting heavier cargo, our factory also manufactures 20t, 32t electric hoist.