Hubei Zhongba Construction Engineering Co.
Yidu Yuanfa Construction Engineering Co.
Yidu Youyuan Industrial Co.
Hubei Yidu Yiyun Mechanical and Electrical Engineering Co.
Yidu Huayang Chemical Co.
China Telecom Co. Ltd.
Hubei Guotong Leader Construction Group Co.
Hubei Quling Mechanical & Electrical Engineering Co.
Yichang Mingtai Construction Engineering Co.
Yidu Xingyi Construction Engineering Co.
Hubei Yilie Construction Engineering Co.
Hubei Linlong Mechanical & Electrical Equipment Co.
Hubei Yuntai Construction Engineering Co.
Hubei urnfu Lantian Chemical Co.
Yidu Xingfa Chemical Co.
Yidu Zhicheng Harbor Railway Transportation Co.
Yichang Hengdalie New Material Science and Technology Co.
Hubei Yichang Hongyuan Science and Technology Co.
Yitao Construction Group Co.
Changqun Fine Industries (Yichang) Co.
Hubei Qianao Construction Engineering Co.
Hubei Zhengyi Construction Co.
Hubei Shijiweiye Anti-corrosive Science and Technology Co.
Yidu Xilu Construction Engineering Co.
Yichang Jiehua Labor and Cleaning Co.
Hubei Zhuangkang Biological Ltd.
Yidu City Handling and Transportation Corporation
Yichang Xiehong Heavy Machinery Co.
Hubei Senwo Optoelectronic Technology Co.
Yidu Clean Environmental Sanitation Service Center
Yichang Li-Neng Liquefied Gas Co.
Yichang Kangzhen Health Industry Co.
Yichang Zhongheng Engineering Project Management Co. Ltd.
Yidu Zhongke Enterprise Incubator Co.
Hubei Runyang Medical Devices Co.
Hubei Chutian Excellent Engineering Technology Co. Ltd.