| Company | CONWEIW PIPE INC. |
| Business Number | 7003806 |
| Company | EMIWEI PIPES INC. |
| Business Number | 7005810 |
| Company | HANBING ROOFING LLC |
| Business Number | 7010492 |
| Company | DANIEL ROOFING LLC |
| Business Number | 7011213 |
| Company | FAN YANG STUDIO INC. |
| Business Number | 7014085 |
| Company | LINGS CEILING INC. |
| Business Number | 7014171 |
| Company | GAHUA CEILING INC. |
| Business Number | 7014173 |
| Company | YONGHA CEILING INC. |
| Business Number | 7014175 |
| Company | RUI DING HYDRAULICS LLC |
| Business Number | 7015213 |
| Company | AUDIE CONSTRUCTION INC. |
| Business Number | 7015785 |
| Company | XINGHUA ROOFING INC. |
| Business Number | 7015788 |
| Company | JIAQIN ROOFING INC. |
| Business Number | 7015791 |