When the door opened, the northern wind blew snow all over the ground.
Jiang Chen closed the door, hung his winter coat on a hook, and walked to the Aerospace Technology Research Institute.
Compared to the previous "workshop," the snow-covered Aerospace Technology Research Institute could undoubtedly be called a proper workshop. It had a wide lobby and was a five-story building. Although researchers were still in short supply, at least it was more spacious.
He went straight to Jiang Lin's lab and saw him working with several researchers in lab coats around a two-person tall oil drum.
Jiang Chen went up then looked at the barrel for a moment.
"This is?"
