Winch is a vertical winch with winch that can be wound under power drive but does not store ropes. It also refers to a winch with axis of rotation perpendicular to the deck. It is a self-protection and towing device for vehicles and boats. Self-help and rescue in harsh environments such as snow, swamps, deserts, beaches and muddy mountain roads, and may also carry out operations such as wrecking, towing items and installing facilities under other conditions. Forestry, transportation, public security, border, fire and other outdoor sports indispensable safety devices. Mainly used for off-road vehicles, agricultural vehicles, ATV ATVs, yachts, fire rescue vehicles, road wrecker and other special vehicles, special vehicles.