I Created a Trading Chat Group in the Wasteland World

Accidentally traveled through time and became the manager of a shelter in the wasteland world. How can we lead humanity toward revival? If the technology is not enough, plug-ins can be used to make up for it. With the help of Gold Finger, Jiang Chen established a cross-universe chat platform. What to do if there is a shortage of supplies? Urban Universe said that this is not a problem - what I have here are materials. I only want antiques, like science and technology from more than ten centuries ago, outdated spaceships and space carriers. I will take as much as you have. What should I do if I want to live forever? Xiu Xian Cosmos said that I have a way - Three Purities, Four Controls, Five Directions and Five Elders, whatever method of immortality you want is fine, I will use the Armstrong cyclotron jet Armstrong cannon that can knock down a planet with one shot. What should I do if the individual combat capability is not enough? It doesn't matter, we still have a magic universe, a mysterious universe, a biological evolution universe, a martial arts universe, a psychic universe... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.