TC5015(QZT80S) Self-liftingtower crane Turning mec

Profile:This series of product is a new generation tower crane designed according to the newest country standard and the requirment of constuction market.The mechanism of lifting,turning and extent changing adopt advanced techniques of verioustower crane in and out of china.the whole machine is well designed with reasonable stucture,fine shape,excellent performance,high safty,the tower crane equipswith safty devices such as lifting torquelimiter,height limiter,extent changinglimiter and turining limiter.