Slow electric gourd is suitable for group cranes, so it is also called group hanging electric gourd. Check it before use, check whether the chain is knotted, and knotting is a very serious problem. Because it is an electric gourd, the chain of the knot will not stop automatically, and then the broken chain cargo may occur. Therefore, you must check whether the chain is knotted before using the electric gourd. The speed of slow electric gourd is slow, and it is a low -speed electric gourd. Good synchronization, you can adjust it in time, not easy to load. It is usually used to improve the component of climbing racks. And oil tank. Steel plate warehouse welding is a tank. It is uniformly controlled by the control cabinet and is not equipped with a separate controller.