C1918 Thunderclap

In less than half an hour, Lao Yan arrived at the construction site.

Bao Zi also took the chance to ask for the details of the concrete from Xiao Zhao and gave it to Boss Wang.

The moment Lao Yan entered, the Boss Wang gave him the information.

Lao Yan earnestly accepted it and looked at it.

Then he smiled and took out the medicine, "Old Wang