The vertical reducer is divided into the QJ-L series, mainly used in the operating mechanism of cranes, and can also be used in the operating mechanism of various mechanical equipment such as transportation, metallurgy, mining, chemical industry, light industry, etc The gear and gear shaft adopt a medium carbon alloy diamond medium hard tooth surface, which has the advantages of compact structure and high load-bearing capacity. It is another new product launched after ZSC and ZSC (A) reducers