C302 Old and New Replacements

Zhang Kai accepted Li Yun's task and flew back home on the same day. His main task was to purchase various prospecting equipment, mining equipment, and the setting of smelting various metals, master the technology in this area, and try to return to the Immortal World to set up these basic engineering projects.

As for Judy, she was directly sent back to the Immortal World by Li Yun. There