•Characteristic 1. Adopting Japanese technology and the cover adopt high-end embossed technology 2. Adopting Low alloy structural steel plate to make the chain block more safe, reliable and durable. 3. 80 class high strength lifting chain, high safety factor, long service life 4. Smooth rotation, high efficiency, small hand pull 5. Double pawl, double regulating wheel structure, more safe and reliable Products have been widely used in nuclear power, thermal power transmission and transformation