|                                                                                                             |   | Date                  of incorporation or |   | Place                  of incorporation or                |   | Percentage                  of ownership |   |        |
|-------------------------------------------------------------------------------------------------------------|--------|-------------------------------------------|--------|-----------------------------------------------------------|--------|------------------------------------------|--------|--------|
| Name                                                                                                        |   | establishment                             |   | establishment                                             |   | 2006                                     |   | 2005   |   | 2004 |   | Principal                  activity |
| Port                  Wing Development Co., Ltd. (e-Channels BVI)                                           |   | Nov                  3,2005               |   | British                  Virgin Islands ("BVI")           |   | 100%                                     |   | N/A    |   | N/A |   | Investment                  holding |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Ahead                  Billion Venture Ltd. ("Sihitech BVI").                                               |   | Nov                  3,2005               |   | BVI                                                       |   | 100%                                     |   | N/A    |   | N/A |   | Investment                  holding |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Beijing                  Yuxinyicheng Technologies Ltd. ("Yuxinyicheng")                                    |   | Oct                  19,2006              |   | People’s                  Republic of China ("PRC") |   | 100%                                     |   | N/A    |   | N/A |   | System                  integration, software development, information technology consulting,                  maintenance and support. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Beijing                  e-Channels Century Technology Co., Ltd. ("e-Channels")                             |   | Feb                  5,2001               |   | PRC                                                       |   | 100%                                     |   | N/A    |   | N/A |   | Technology                  development, technology transfer, consulting and training services,                  sales                  of self-developed products, computer software, hardware and peripheral                  equipment, communication equipment and undertaking computer network                  projects. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Beijing                  Sihitech Technology Co., Ltd. ("Beijing Sihitech")                                 |   | Jun                  16,1999              |   | PRC                                                       |   | 100%                                     |   | 100%   |   | 100% |   | System                  integration, software development, information technology consulting,                  maintenance and support. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Beijing                  Sihitech Software Co., Ltd. ("Beijing Software")                                   |   | Jan                  28,2002              |   | PRC                                                       |   | 100%                                     |   | 100%   |   | 80% |   | System                  integration, software development, information technology consulting,                  maintenance and support. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Shanghai                  Sihitech Technology Co., Ltd. ("Shanghai Sihitech")                               |   | Jun                  20,2001              |   | PRC                                                       |   | 100%                                     |   | 100%   |   | 80% |   | System                  integration, software development, information technology consulting,                  maintenance and support. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Shanghai                  Sihitech Software Co., Ltd. ("Shanghai Software")                                 |   | May                  28,2005              |   | PRC                                                       |   | 100%                                     |   | 100%   |   | N/A |   | System                  integration, software development, information technology consulting,                  maintenance and support. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Beijing                  Sihitech Information Consulting Co., Ltd. ("Sihitech                  Consulting") |   | Apr                  12,2001              |   | PRC                                                       |   | -                                        |   | 100%   |   | 100% |   | Information                  technology consulting. |
|                                                                                                        |   |                                      |   |                                                      |   |                                     |   |   |   |   |   |   |
| Guangzhou                  Sihitech Technology Co., Ltd. ("Guangzhou Sihitech")                             |   | Jan                  5,2000               |   | PRC                                                       |   | 100%                                     |   | 100%   |   | 80% |   | System                  integration, software development, information technology consulting,                  maintenance and support. |

----