| Company | DIANL CEILING INC. |
| Business Number | 7003811 |
| Company | GUOFENG HYDRAULICS LLC |
| Business Number | 7011317 |
| Company | SHUPING WU ROOFING LLC |
| Business Number | 7015260 |
| Company | THINHT CEILING INC. |
| Business Number | 7070108 |
| Company | BOKTANG CEILING INC. |
| Business Number | 7070110 |
| Company | HAOTIAN CEILING INC. |
| Business Number | 7070111 |