Hunan Tuotian Road y Bridge Engineering machine Co. Lt. (Chaymantataq: Hunan Tuotian) Chenzhou (Unan) Chenzhou Beihu avionmanta 15 min. Hunan Tuotianqa Hunan Long March Road y Bridge Equipment Manufacturing Co. Lt. Hunan Shenghua Steel Estructure Construction Co. Ltd, chayqa llapallan lloqsimuqmi karqan, rantikuypi, rantikuypi, imaymanata ruwaykunata, imaymanata ruwaykunatapas. Imaymanata ruwaspaqa, 321 juk juk lloqsimuq karupi, 200-tipa karqa, Llactamanda ñaupajpi, Askha llank’aykuna ruwaykunata, sumaqta ruwasqankuta.