HH-B Electric Chain Hoist is a new kind of product developed by combined application of techonogies from Japan and Germany. It has characteristics as small cubage, light weight, convenient operation and beautiful appearance. Especially, its unique overloading safety protection setting and electrical machine hot protection setting make sure of the higher liability of this product. It is widely used for suspending heavy goods in factories, mines, docks, shops and storehouses. It can also be used in low-level space materials circulation system by mating with aerial traveling crane equipment. This product attests to be effective equipment which can improve working condition and enhance labor efficiency.