Chain Hoist Features: Five prominent features in design and service are inherent in HSZ Series Chain Block. 1 Our chain hoist is safe and reliable in operation with minimum maintenance. 2 Chain hoist has high efficiency and small hand pull. 3 Chain hoist has small net weight and is easy to be handling. 4 Chain hoist has fine appearances with small size. 5 Chain hoist is durable in service. Dominant features: 1 Our chain block is with triangle shape which is hard and has compact structure. 2 The chain of our chain block adopts G80 alloy steel and the surface uses quench method and carbon black treatment, so the chain has good toughness and tensile resistance. 3 The hook of our chain block is hard and has good toughness.