Provision of telecommunications support services in the PRC and overseas including telecommunications infrastructure design, construction and project supervision and management; business process outsourcing; and a variety of other services.
Provision of telecommunications support services in the PRC and overseas including telecommunications infrastructure design, construction and project supervision and management; business process outsourcing; and a variety of other services.
| （単位：百万元） | ROA | 前年比 |
|---|---|---|
| 2016年12月 | 4.24％ | +0.47% |
| 2015年12月 | 4.22％ | -1.63% |
| 2014年12月 | 4.29％ | -12.45% |
| 2013年12月 | 4.9％ | -15.95% |
| 2012年12月 | 5.83％ | +0.87% |
| 2011年12月 | 5.78％ | +4.33% |
| 2010年12月 | 5.54％ | +1.09% |
| 2009年12月 | 5.48％ | +3.79% |
| 2008年12月 | 5.28％ | -3.83% |
| 2007年12月 | 5.49％ | +31.34% |
| 2006年12月 | 4.18％ | -19.31% |
| 2005年12月 | 5.18％ | +6.15% |
| 2004年12月 | 4.88％ |
