C553 Design Envelope

Ye Tian patted Kang Taiping's shoulder, "You've done your best to repay Song Chi's kindness!"

Kang Taiping gave a self-deprecating smile and said, "Do you know why he would carry around a model ventilator with him?"

Ye Tian did not say anything because he knew this was a sad story!

"Because he didn't want his wife to worry. Before he entered the ancient tomb