C742 None of These Are Environmental Building Materials?

After Tang Jinse heard this, he did not know whether he should be happy or not.

Logically speaking, she should be happy that they didn't have any problems with the building materials.

However, the problem was that they were still standing their ground.

"May I know your surname?" the staff asked.

Tang Jinse paused for a moment, then opened her mouth and replied: "My surname is Tang