Pay attention to keeping clean when using the lifting chain. The lifting chain uses the standard production of EN818-2. It uses 2.5 times experimental load and is broken by 4 times. The surface is treated with multiple diverse, including black, galvanized, electrical, and so on. The use range of the lifting chain is large. For example, a cable that can be made into a chain, and it can also be applied to mechanical equipment. Electric gourds can be used. The lifting chain is divided by the strength level: level 30 lifting chain, level 43 lifting chain, level 60 lifting chain, level 70 lifting chain, level 80 crane chain, G80 weiging chain, and imported level 100 lifting chain. Keep the chain clean when used to prevent chain from being worn.