Electric Winch is one of the necessary equipment for off-road vehicles, winch officially used for off-road vehicles, should start in 1939, when the world’s second world war. After the US war, in the open desert battlefield in North Africa, the car is often caught in a bunker, or shells pit, plus the car body cumbersome, the rescue is very difficult! Therefore, the US military began to apply the winch in the car self-help, and the original electric winch is a wire rope tied to the body before, and then began to use the motor with a real self-help function! After the end of World War II, winch by the fierce pursuit of cross-country fans, the official off-road vehicles have become essential equipment. shandong jndo hoisting equipment co.,ltd.