1.The hoist is designed accordance with European standard EN13157 for hand-operated lifting equipment safety.
2.Every chain block in our factory has the safety coefficient at least 4:1.It's tested to withstand 1500 cycles with 110% of the rated capacity.
3.Thick steel gear side cover and hand wheel cover protect against external shocks and rainwater or dust. It ensures durability and smooth operation.
4.Double pawl and double guide roller enhance safety and reliability.
5.Three sealed ball bearings increases mechnical efficiency.
6.Heat-treated forging hooks will deform slowly rather than break when overload. Location points on hooks remind to change hooks to avoid danger.
7.20CrMnTi gears in high efficiency and durability.
8.Heat treated G80 load chain meet EN818-7 tensile testing standard.