| **Subsidiary                Name**                                  |   |  **Country**                               |
|--------------------------------------------------------------------------|--------|-------------------------------------------------|
| Full                Art International Limited                            |   | Hong                Kong                        |
|                                                                     |   |                                            |
| Zhuhai                King Glass Engineering Co., Ltd                    |   | People’s                Republic of China |
|                                                                     |   |                                            |
| Zhuhai                King General Glass Engineering Technology Co., Ltd |   | People’s                Republic of China |
|                                                                     |   |                                            |
| King                General Engineering (HK) Ltd.                        |   | Hong                Kong                        |
|                                                                     |   |                                            |
| KGE                Building System Ltd.                                  |   | Hong                Kong                        |
|                                                                     |   |                                            |
| KGE                Australia Pty Ltd                                     |   | Australia                                       |
|                                                                     |   |                                            |
| Zhuhai                City, Xiangzhou District Career Training School    |   | People’s                Republic of China |
|                                                                     |   |                                            |
| Techwell                Engineering Limited                              |   | Hong                Kong                        |
|                                                                     |   |                                            |
| Techwell                Building Systems (Shenzhen) Ltd.                 |   | People’s                Republic of China |
|                                                                     |   |                                            |
| Techwell                International Ltd.                               |   | Macau                                           |
|                                                                     |   |                                            |
| CAE                Building Systems, Inc.                                |   | United                States                    |
|                                                                     |   |                                            |
| China                Architectural Engineering (Shenzhen) Co., Ltd.      |   | People’s                Republic of China |
|                                                                     |   |                                            |

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