The hoist is a large-scale mechanical equipment that is transported by changing the potential energy, such as mine hoist, dam crossing hoist, etc. Broadly speaking, elevators, cranes, hoists, stabilizers, cranes, hoists, etc. can all be called hoists. Hoists generally refer to large-scale mechanical equipment with high power and strong lifting capacity. The transportation process is completed by dragging the flexible steel wire rope and the transported goods up and down by the power machinery. The steel wire rope is an indispensable and important part of the lifting machinery. The main varieties are phosphating coated steel wire rope, galvanized steel wire rope, stainless steel wire rope, and smooth surface. Wire rope and so on.