C215 Confidant

"What do you mean, you don't support my decision?" Xuanyuan Yiqing looked at them and said in a cold voice.

"Don't be angry, your highness. I am only considering the method to build the pipeline, but no one has used it, so I am a bit worried." Cheng Song saw that Xuanyuan Yiqing had been angered so he hurried over to smooth things over.

"No one has ever used it before?" Xuanyuan Yiqing sneered