The function oThe shell geHydraulic winch is a type of winch equipment that uses hydraulic pressure as the power source and is driven by a hydraulic system. It consists of hydraulic motors, hydraulic pump stations, control valves, and mechanical transmission systemMarine electric winch is a lifting equipment specifically designed for ships, mainly used for loading and unloading cargo, pulling ropes, and lifting the hull. It uses an electric motor as the power source and converts the speed of the motor into the lifting force or pulling force of the winch through a gear transmission system.