Adopting the double-pawl braking ensures the chain block for safe and reliable operation.
The hoisting sprocket made of alloy steel with precision machine has been got well heat-treatment. It matches with chain very well
so that the wear is decreased and the operating life increased.
The rolling bearings with international general standard are fitted at the ends of the hoisting sprocket, with high transmission
efficiency, small pulling force and easy maintenance.

Hs-s Type