0 1 -Huagong Technology Industry Co., Ltd. 02- Huagong Technology Industry Co., Ltd. Koryo Branch 03- Wuhan Huagong Laser Engineering Co., Ltd. 04- Wuhan Huagong Jacky Photonic Technology Co., Ltd. 05- Huagong Technology Industry Co., Ltd. Image Branch 06- Wuhan Mu Kai Information Technology Co., Ltd. 07- Wuhan Huazhong Numerical Control Co., Ltd. 08- Wuhan University of Technology Science Park Development Co., Ltd. Division 09- Wuhan Huake Property Management Co., Ltd./ Kloc-0/0 Co., Ltd. 12- Wuhan Optics Valley New Photoelectric Communication System Co., Ltd. 13- Wuhan Tianyu Information Industry Co., Ltd. 14- Wuhan Sahim Tianyu Electronics Co., Ltd.-Wuhan Hengde Technology Co., Ltd. 16- Wuhan Dewell Electronic Technology Co., Ltd. 1 7- Wuhan Branch of Beijing Railway Engineering Electromechanical Technology Research Institute 18- Wuhan Zhongyuan Huadian Technology Co., Ltd. 1 8 Co., Ltd. 23- Wuhan Wanghai Electromechanical Engineering Technology Company Hotan Club 24- Huagong Technology Industry Co., Ltd. Gaoliguang Branch 25- Wuhan Faruilai Cutting System Engineering Co., Ltd. 26- Wuhan Haiheng Information Storage Co., Ltd. 27- Wuhan Huagong Saibai Data System Co., Ltd. 28- Hubei Yintai Wufeng Grain Machinery Co., Ltd. 29- Wuhan Yintai Technology Power Supply Company 30- Harvard Technology Development Co., Ltd. 3 1- Wuhan University of Technology Trading Co., Ltd.