The aluminum shell improved machine is a small electric heavy machine. The load of aluminum shell rangers is from 500 kg to 3 tons. You can use a single rope or install a double rope to improve. The length of the wire rope is 12 meters to 100 meters. The longer the length of the chain, the longer the roll is needed. The operation method is a line control, and the wireless remote control can also be installed and controlled by remote control. It has a lot of use. It can be trapped horizontally or hanging vertically. It can also be operated on the steel steel with sports cars to achieve four directions.