Hunan Tuotian Road ak machine Engineering Bridge Co, Ltd. (a apre a apre yo rele: Hunan Tuotian) se nan vil vizite touris a - Chenzhou (Pragyon Hunan), 20 min soti nan Chenzhou Xi Xi plin-speed tren, 15 min soti anba avòd Chenzhou Beihu pa machin. Hunan Tuotian te reorganize nan Hunan Long March Road & Bridge Equipment Manufacturing Co., Ltd. Et Hunan Shenghua Steel Structure Constructure Co., Ltd, ki se yon konpayi profesyonal Wayòd & Bridge abitye, vann, enstalasyon e desmantle, leasing Et kensisyon. Produit prensipal yo gen: 321-Type prefabricated bè chèt, 200-Type prefabricated bè chèt, Bèt ap pase nan vil, Trattle konstriksyon plizyè kantite, platafò konstriksyon ak lòt.