Alien Invasion: Starting from the Fur Processing Factory

Traveling through a world invaded by alien beasts, Fang Han activated the universal manufacturing system, starting from the first-level fur processing factory, and gradually established a hunter's union that did not exist in this world. What should I do if I want to upgrade? Fight strange beasts and make equipment! What should I do if I want to make money? Fight strange beasts and explode gold coins! In just a few years, alien beasts have become protected animals. Who would have thought that they almost wiped out humans... (Doomsday survival, farming, system panel, high technology.)