C1266 Products Upgraded

It had been a long time since they had exchanged weapons in the weapon graveyard. Even Qin Guan felt that he was about to let down this System set. Since he had come this time, he might as well exchange more.

Qin Guan could not wait any longer.

In the factory, it was clean and tidy. The heavy cards on the production line were being produced in an orderly manner.

"Now, after our research