Ho ea ka lipalo-palo tse tsoang ho baetsi ba 26 ba ho epolloa ke Mokhatlo oa China Construction Machinery Industry Association, ka Phuptjane 2021, ho ile ha rekisoa baepolli ba 23,100pcs ba mefuta e fapaneng, ho fokotseha ha selemo le selemo ho 6.19%;tseo ho tsona diyuniti tse 16,965 e neng e le tsa lehae, phokotseho ya selemo le selemo ya 21.9%;Diyuniti tse 6,135 di ile tsa romelwa kantle ho naha, e leng keketseho ya selemo le selemo ya 111%.

Ho tloha ka Pherekhong ho isa Phuptjane 2021, ho ile ha rekisoa baepolli ba lintho tsa khale ba 223,833, keketseho ea selemo le selemo ea 31.3%;har'a bona, ba 193,700 e ne e le ba malapeng, keketseho ea selemo le selemo ea 24.3%;30,133 e ile ea romelloa kantle ho naha, keketseho ea selemo le selemo ea 107%.

Ka data, ho fumaneha hore baepolli ba Machaena halofong ea pele ea selemo sena ba bonts'itse matla a kantle a kantle ho naha.Joaloka moetsi ea tsebahalang oa Excavator Final Drive Chaena, Weitai o fihletse khōlo e potlakileng halofo ea pele ea selemo ka lebaka la nts'etsopele ea indasteri.Bareki ba hlokang Travel Motors ba hloka ho etsa odara esale pele ho qoba ho romelloa ho hoholo.