Hunan Tuotian Road Engineering Bridge Machinery Co., Ltd. (dieu saatos disebut: Hunan Tuotian) perenahna di kota wisatawan anu kasohor - Chenzhou (Karakatan Hunan), 20 min ti stasion Rail High-geed Chenzhou Xi, 15 min ti Bandara Chenzhou Beihu ku mobil. Hunan Tuotian diaturkeun deui ti Hunan Long Maret Jalan Bridge Equipment Manufacturing Co., Ltd. sareng Hunan Shenghua Steel Structure Construction Co., Ltd, anu mangrupikeun perusahaan fasilitas profésional Jalan Bridge anu ngahijikeun produksi, penjualan, instalet, dismantle, leasing sareng ngajaga. Produk utama kalebet: 321-Tipe sasak baja jalan raya prefabricated, sasak baja raya prefabricated 200-Tip, Jambatan pedestrian kota, Trutle konstruksi sababaraha-span, platform konstruksi sareng sagala.