With first-class technology, advanced WAFIOS production line made by German, and advanced national automatic production line for mining chains, we have introduced the Japanese manufacturing technology, precise testers, and scientific and standardized management systems. There are 6 series products, including 28 kinds¡¯ goods. The main products contain 5mm to 32mm load chain, 1 ton to 20t chain block, lever block, electric hoist, crane, slings etc.