E thehiloe ka 1995,Renqiu City Shuangkun mechine Parts Co., Ltd. ke moetsi ea hloahloa ebile o rekisa ka ntle ho naha e amehang ka moralo, nts'etsopele le tlhahiso ea sprocket, likere le flange.Bakeng sa ho khotsofatsa tlhoko ea bareki hantle, theha Renqiu Yizongxi Trading Company ho thusa bareki ho reka likarolo tse ling tsa lithuthuthu. Lihlahisoa tsohle tsa rona li latela litekanyetso tsa boleng ba machabeng mme li ananeloa haholo mebarakeng e fapaneng e fapaneng ho pholletsa le lefats'e.