Our History
Ranking among Top 100 Survey & Engineering Companies in China
| 2000 | the 5st among the top 100 according to annual revenue | |
| 2001 | the 4st among the top 100 according to annual revenue | |
| 2002 | the 3st among the top 100 according to annual revenue | |
| 2003 | the 1st among the top 100 according to annual revenue | |
| 2004 | the 4st among the top 100 according to annual revenue | |
| 2005 | the 4st among the top 100 according to annual revenue | |