| Name of Company                                         |   | Place of Incorporation     |   | Date of Incorporation |   | Beneficiary Interest % |   | Equity Interest % |   | Registered Capital |
|---------------------------------------------------------|--------|----------------------------|--------|-----------------------|--------|------------------------|--------|-------------------|--------|--------------------|
| GAS Investment China Co., Ltd.                          |   | The British Virgin Islands |   | 6/19/2003             |   | 100                    |   | 100               |   | USD 10,000,000     |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Sino Gas Construction, Ltd.                             |   | The British Virgin Islands |   | 1/9/2007              |   | 51                     |   | 51                |   | USD98,039          |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Sino Gas Investment Development, Ltd.                   |   | The British Virgin Islands |   | 1/9/2007         |   | 100               |   | 100          |   | USD50,000          |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Beijing Zhong Ran Weiye Gas Co., Ltd.                   |   | PRC                        |   | 8/29/2001             |   | 100                    |   | 100               |   | RMB 206,000,000    |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Beijing Chenguang Gas Co., Ltd.                         |   | PRC                        |   | 10/30/2002            |   | 100                    |   | 100               |   | RMB 35,239,600     |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Guannan Weiye Gas Co., Ltd.                             |   | PRC                        |   | 6/19/2003             |   | 100                    |   | 100               |   | RMB 9,510,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Ningjin Weiye Gas Co., Ltd                              |   | PRC                        |   | 12/3/2003             |   | 100                    |   | 95                |   | RMB 3,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Yutian Zhongran Weiye Gas Co., Ltd.                     |   | PRC                        |   | 12/19/2003            |   | 100                    |   | 90                |   | RMB 3,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Xingtang Weiye Gas Co., Ltd.                            |   | PRC                        |   | 2/18/2004             |   | 100                    |   | 95                |   | RMB 3,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Wuqiao Gas Co., Ltd.                                    |   | PRC                        |   | 6/30/2004             |   | 100                    |   | 95                |   | RMB 2,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Jinzhou Weiye Gas Co., Ltd.                             |   | PRC                        |   | 7/19/2004             |   | 100                    |   | 95                |   | RMB 13,659,877     |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Sihong Weiye Gas Co., Ltd.                              |   | PRC                        |   | 12/3/2004             |   | 100                    |   | 95                |   | RMB 10,000,000     |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Sishui Weiye Gas Co., Ltd.                              |   | PRC                        |   | 12/22/2004            |   | 100                    |   | 95                |   | RMB 3,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Langfang Weiye Dangerous Goods Transportation Co., Ltd. |   | PRC                        |   | 3/22/2005             |   | 100                    |   | 95                |   | RMB 1,000,000      |
|                                                    |   |                       |   |                  |   |                   |   |              |   |               |
| Linzhang Weiye Gas Co., Ltd.                            |   | PRC                        |   | 7/6/2005              |   | 100                    |   | 85                |   | RMB 1,000,000      |

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| Peixian Weiye Gas Co., Ltd.                     |   | PRC    |   | 8/22/2005  |   | 100    |   | 90     |   | RMB 45,694,900 |
|-------------------------------------------------|--------|--------|--------|------------|--------|--------|--------|--------|--------|----------------|
|                                            |   |   |   |       |   |   |   |   |   |           |
| Zhangjiakou City Xiahuayuan Jinli Gas Co., Ltd. |   | PRC    |   | 9/30/2005  |   | 100    |   | 100    |   | RMB 2,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Longyao Zhongran Weiye Gas Co., Ltd.            |   | PRC    |   | 10/13/2005 |   | 100    |   | 95     |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Yuxian Jinli Gas Co., Ltd.                      |   | PRC    |   | 11/8/2005  |   | 100    |   | 100    |   | RMB 9,500,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Hengshui Weiye Gas Co., Ltd.                    |   | PRC    |   | 12/20/2005 |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Shenzhou Weiye Gas Co., Ltd.                    |   | PRC    |   | 12/23/2005 |   | 100    |   | 95     |   | RMB 6,638,035  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Changli Weiye Gas Co., Ltd.                     |   | PRC    |   | 12/8/2006  |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Chenan Chenguang Gas Co., Ltd                   |   | PRC    |   | 1/23/2007  |   | 100    |   | 100    |   | RMB 1,500,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Wuhe Weiye Gas Co., Ltd.                        |   | PRC    |   | 1/30/2007  |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Xinji Zhongchen Gas Co., Ltd                    |   | PRC    |   | 2/7/2007   |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Gucheng Weiye Gas Co., Ltd.                     |   | PRC    |   | 3/21/2007  |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Luquan Chenguang Gas Co., Ltd.                  |   | PRC    |   | 4/27/2007  |   | 100    |   | 100    |   | RMB 2,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Shijiazhuang Chenguang Gas Co., Ltd.            |   | PRC    |   | 6/14/2007  |   | 100    |   | 100    |   | RMB 2,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Nangong Weiye Gas Co., Ltd.                     |   | PRC    |   | 6/25/2007  |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Sixian Weiye Gas Co., Ltd.                      |   | PRC    |   | 9/3/2007   |   | 100    |   | 100    |   | RMB 3,000,000  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Baishan Weiye Gas Co., Ltd.                     |   | PRC    |   | 7/13/2007  |   | 100    |   | 100    |   | RMB 15,000,000 |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Xinhe Weiye Gas Co., Ltd.                       |   | PRC    |   | 7/2/2009   |   | 100    |   | 100    |   | RMB300,000     |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Hebei Weiye Gas (Group) Co., Ltd.               |   | PRC    |   | 12/18/2009 |   | 100    |   | 100    |   | RMB75,439,270  |
|                                            |   |   |   |       |   |   |   |   |   |           |
| Gaocheng Weiye Gas Co., Ltd.                    |   | PRC    |   | 1/27/2010  |   | 100    |   | 100    |   | RMB 200,000    |

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