C831 A Priceless Treasure

Lan Tian had no choice but to help Zhang Meng put it on. At this moment, Zhang Yongze and Zhang Yongmou took out the keys to the three plastic boxes.

Zhang Changshan smiled and said, "Tian, these two boxes are the keys to the residential area. This box is the key to the office building."

Lan Tian smiled and said, "Director Zhang, you still need to keep the spare keys here