The standard chain of the electric gourd is 1 ton, 3 meters, and the electric gourd with the ring chain has a G80's lifting chain as a lifting chain. Electric gourds are mostly 380 volt power and 220 volt power. There are many tonnage specifications of 1 ton, 2 tons, and 3 tons. The length of the ring chain electric gourd is 3 meters, 6 meters, and 9 meters. The scope of application is wide, and the construction industry: including cement, glass, brick and concrete manufacturing and other building materials industries. Electric gourds can be used for hanging, installation and maintenance of building materials. Food processing and beverage industry: During the process of food and beverage processing, electric gourds can be used for raw materials, loading and unloading of finished products, and maintenance and repair of production equipment.