Although the chain hoist looks small in size, it is composed of more than 70 parts, mainly composed of several large parts such as sprocket, hand chain, transmission gear, lifting chain and upper and lower hooks. The transmission mode is generally gear. The type of transmission, which is now the most extensive transmission mode, is driven by the hoisting sprocket. The hoisting chain is connected with the lower hook. The chain that transmits the human power is the bracelet and the lower hook is used to hang the cargo. If you are looking for Vital Chain Hoist factory, welcome to contact us.