The hooks are widely classified, generally including shackles, lifting rings, rings, pear shaped rings, long lifting rings, combined lifting rings, S-hooks, nose hooks, American style hook and claw hooks, eye shaped slip hooks, elevator screws with safety clips, chain shackles, which are unique, novel, high-quality and safe, and are suitable for factories, mines, petroleum, chemical and ship terminals. Ensure safety, quality safety factor, and the static load reaches 3 times. The lifting capacity ranges from 5 tons to 150 tons.