Chương 570: So, shengsheng is the big boss!

Mu Sheng did not react for a moment."Old senior?"

"Yeah," director Zhang smiled and said,"you were sent by the old senior, right? Where was he? Otherwise, I'll go and see him personally. "

"You mean M?" Mu Sheng probed,

"Yup!" Director Zhang was so happy that his beard was sticking up."He's really amazing."

Mu Sheng smiled helplessly."If she's not an old lady, I'm an M."

Director Zhang did not believe him at all."You're such a Joker. Did I do something wrong to make him not want to show his face?"

Mu Sheng took a pen and drew a diagram on the paper."I've seen the design you sent last night. There's a 0.01 mm deviation here, which led to a deviation in the final calculation. It's like this ..."

Mu Sheng explained as she practiced on the toilet paper. She was clear and logical, which was enough to show her professionalism.