C2233 Goods Delivered to Payment

This was set up by Qin Guan in the past. As long as a simple backdoor was planted in these pieces of equipment, He could strike these equipment whenever he needed them. This method was first invented by the Great Wei People. Back then, the Han Country had imported the equipment from the Great Wei People. There were many of these things.

After a period of time, he needed to upgrade it. Otherwise