Comparison of steel wire rope electric gourd and ring chain electric gourd. The wire rope electric gourd is driven with a wire rope, and the length is large. The ring chain electric gourd is driven by a chain. The wire rope electric gourd is large and usually runs on the steel steel. The ring chain electric gourd is divided into hook type and runtime, and the hook can be used at a fixed point. The steel wire rope electric gourd is fast. Both of these two electric gourds have different load specifications. The length of the chain and wire rope can also be selected.