Model HH-JC25 electric block is a kind fo electric hoisting machinery that is easy mine and building site,agricnltural. Production,docks and szorehonses. It has specical function for the machinery installation,lifting cargoes, loading and unloading vehicles. The complementing usage of model HH-JC25 electric block and various electric gyrocars can combine into motor crad that is suitable for monoract transportaion,electric single-spar bridge cranes and cantilever cranes Characteristics: · convenient to carry · Good performance · to save a lot of labour · safe to operate · to save time · light dead weight