1. Measures for the Administration of Professional Qualification of Lightning Protection Engineering
2. Beijing Wan Yun Science and Technology Development Co., Ltd.
3. Shanxi Huayun Technology Development Company
4. Hebei Yuxiang Lightning Protection Engineering Co., Ltd..
5. Lightning Protection Engineering Company of Jinchuan Development Zone, Inner Mongolia
6. Tianjin Zhongli Lightning Protection Technology Co., Ltd.
7. Tianjin Lightning Protection Technology Center
8. Jilin Lightning Protection Engineering Company
9. Liaoning Lightning Protection Engineering Co., Ltd.
10. Harbin huayun lightning protection engineering co., ltd.
10. Shanghai huayun lightning protection technology co., ltd.
1 1. Anhui Huayun New Technology Development Company
12. Chizhou lightning protection engineering company
13. Jiangsu Tianan Lightning Protection Engineering Co., Ltd.
14. Ningbo Wharton Lightning Protection Technology Co., Ltd.
15. Zhejiang Dongfang Lightning Protection Engineering Co., Ltd.
16. Fujian Huayun Technology Development Company
17. Xiamen Xiangyun technical service company
18. Jiangxi Lantian Lightning Protection Co., Ltd.
19. Shandong Tianke Lightning Protection Engineering Co., Ltd.
20. Qingdao Xinke Lightning Protection Engineering Technology Co., Ltd.
2 1. Wuhan Lei Guang Lightning Protection Co., Ltd.
22. Hunan Putian corbett Lightning Protection Technology Co., Ltd.
23. Guangdong Astronomical Lightning Protection Engineering Co., Ltd..
24 Zhanjiang Lightning Protection Technology Service Company
25. Guangzhou Blue Sky Lightning Protection Technology Co., Ltd
26. Guangxi Lightning Protection Engineering Co., Ltd.
27. Hainan Xiangyun Lightning Protection Co., Ltd.
28 Shaanxi Huaan Lightning Protection Engineering Technology Co., Ltd.
29. Qinghai Anju Lightning Protection Engineering Co., Ltd.
30 Ningxia Hengan Lightning Protection Engineering Co., Ltd.
3 1. Shihezi Xintiandi Technical Service Company
32. Xinjiang Ruite Electronic Engineering Technology Company
33 Sichuan Landian Lightning Protection Co., Ltd.
34. Beijing Oudian Technology Co., Ltd..
35 Beijing Ailao Electrical Equipment Installation Co., Ltd.
36 Sichuan Zhongguang High-tech Industry Development Group