China Railway Bridge Bureau, South China Metallurgical Science and Technology Co., Ltd., Taiyuan Heavy Industry Co., Ltd., Junzheng Energy Chemical Co., Ltd., China Water Conservancy and Hydropower Construction Group, Tangshan Ganglu Iron and Steel Co., Ltd., Hebei Iron and Steel Group, Rizhao Iron and Steel Group, Anyang Iron and Steel Co., Ltd., Dalian Huarui, China Railway Science and Engineering Design Institute, Xiluodu Hydropower Station, Xi'an West Power Co., Ltd., Donglian Chemical Co., Ltd.