C737 Identity Mysterious

"Since it's not something important, why are you forcing Wen Shishi to do it?" Old Lady Chiang spoke again.

"You...!"

Seeing Gu Yuwei preparing to argue with Old Lady Chiang again, Grandpa Qi hurriedly took over, "I will personally study and modify the blueprint. I do not need anyone's help. Is this okay?"

Hearing him say this, Old Lady Chiang did not continue messing around