![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
Which of te following is not true about Doosan Infracore's sales and after-sales service network?
A.
The network helps Doosan Infracore to set up a different image.
B.
The network is the largest organization of its kind in China.
C.
The after-sales service is only available in the daytime.
D.
The customers can enjoy an 8,000-hour free after-sales service.