Chain Hoist is a portable lifting device operated by hand chain.It is suitable for use in factories, mines, farms, construction sites,wharvs,docks and warehouses for installation of equipment, as well as for loading and unloading goods.It is specially advantageous for lifting work in the open air and places where no power supply is available.The chain hoist can be attached to a trolly of any type as a traveling chain hoist.It is suitable to monorail overhead conveying system,hand reavelling crance and jib crane.