HSZ chain hoist is a manual hoisting machinary which is widely used in factories ,mines ,agriculture,electric power,construction building sites,dock, and warehousefor installation of the machines,lifting the cargoes,loading and unloading the trucks, especially in the open air and the place without power source. The good ,we produced accordancing to the national standard, has two-stage gear driven structure.It has reasonable design,dainty material,advanced struture,beautiful apperance, small volume, light weight,big component strength,high toughness.The products has been selling well both at home and abroad