Going to work in the future, I drive back an aerospace carrier

Xiao Donglin was unemployed and looking for a job, a message suddenly appeared asking him if he would like to work in the future.
Xiao Donglin thought someone was joking, so he agreed.
As a result, a halo of light flashed in front of his eyes, and he really went three thousand years later and became the head of the waste recycling station.
...Anti-gravity boilers, laser cannons, proton reactors, shady plasma generators, mechs, space carriers...
Seeing these waste products, Xiao Donglin was...