... construction or lifting places. The series of HSH chain lever hoists are used in a lot of working ... convenience.2)Braking devces are double jaws, could be operate times by times.When loaddown, the chain could ... freely move by manual.3)The length of chain could be designed or selected bu customers,generally, ... rated load is 30KN, the length of chain is 6m,chain unit diameter is 9mm, the total unit weight ...