C113 When Lin Yin Comes Back Tell Him to Scram

Five minutes later.

Lin Yin and Yu Zecheng arrived at the underground secret room of Zecheng Group.

Clang!

Yu Zecheng turned the gear password lock and opened the steel door. The underground room was full of technology and infrared scanning and alarm.

There were long steel boxes on the iron shelves in the room.

Lin Yin walked over and picked up a steel box