The DHS ring chain electric gourd 1 ton chain is 6 meters long, and the DHS ring chain electric gourd has a wired controllers to control up and down. Can be equipped with a wireless remote control. The standard length of the lifting chain is 3 meters, which can be 6 meters and support customization. The power supply is 380 volts and 220 volts. Chain electric gourd is a smooth running electric gourd. It is divided into fixed and running types. The fixed type is hook, so it is also called a hook type. The running electric gourd is equipped with an electric sports car that can run on the steel steel. You can choose the right one according to the requirements of the use.