The power supply of the DHS ring chain electric gourd is divided into 380 volt and 220 volts, the 220-volt tonnage is 1-5 tons, and the 380-volt tonnage is 1-10 tons. The G80 chain is used as the load -bearing chain. The standard length is 3 meters and can be customized. Equipped with security hooks and safety cards, which can prevent heavy objects from falling off. It itself has a controller, controlling up and down. You can install it with a manual sports car or an electric sports car on the left and right operations on the steel steel. Reading instructions before use, do not overload, cannot be held. Regular maintenance and maintenance clean electric gourd. Put the use of dry and ventilated positions.