How to choose a lifting chain? The lifting chain is the high -strength lifting chain of the manganese steel, 2.5 times the experimental load, 4 times the broken. It is a chain welded with automatic equipment. Its specifications are based on the diameter of the chain ring. Then do superficial treatment according to the customer's requirements. Common surface treatment includes primary color polishing, black, galvanized, electrical, etc. The lifting chain can be made into a ring chain crane, and it should be selected according to the load.