Summary | As long as the supportive is introduced, it will
develop rapidly.The cost difference of them is little on
average.But it fails to be promoted due to various reasons.So
the annual sales goal has been achieved in advance.| People's
Daily Online | China.org.cn| CNTV | China.| Global Times |
Ecns.cn | China Youth International | Visit Beijing | ...
en.ce.cn | 25 January 2016