HSZ-80CB安全保护型手拉葫芦系列，是为保障使用者人身安全而研制的最新产品。其特征是：将制动器设计成既保持提升、下降重物的制动作用，又新增对超载提升、上升超程、下降超程、双行起重链葫芦下吊钩装置翻转、传动系统机械故障等保护作用的多功能制动保护系统。能有效地避免因使用工况可能引发的突发性事故，保障人身及财产安全，做到了防患于未然。

该产品还具有型式新颖、结构合理、坚固耐久、经济适用等特点，是同类产品中的佼佼者，在设计上实现了重大新突破，在国内属于首创、填补空白，在国际上处于领先地位，荣获'96北京国际发明展览会金产品奖。

HSZ-80CB safe and protective series of Chain Block is a latest generation of product designed for the safety of its users. Besides the function of braking when lifting and descending objects, its braking system has been added a multifunctional braking protection system against overload lifting, over length lifting/descending, hook turnover under double load chain and mechanical breakdown of transmission system, etc. It can effectively avoid sudden accidents caused by user's oversight or abnormal situation by taking preventive measures for the safety of its users, property as well as the chain block itself.
Also featured by its completely novel design, rational structure, sturdiness and durability and economic application, this series of product is regarded as taking the leading position in the world. It won a Gold Medal on Beijing International Exhibition of Inventions in 1996.