1934 Xiangjiang: the System Madly Manufactures Arms

[Content is fictitious, fictional history, please do not be affected] In the winter of 1934, Lu Chen crossed over to become a Red Army ordnance technician in the Battle of Xiangjiang River. When he opened his eyes, he saw a desperate situation - the entire 34th Division was wiped out, and Bai Chongxi's armored vehicles behind him crushed the last line of defense. Awakening on the verge of death [Industrial Jump System]: "Kill 1 Guijun and unlock the trigger mine blueprint" "Recruiting the defeated national army and activating seamless steel pipe smelting technology" Starting from transforming the border area to make grenades, he built the first underground arsenal in a cave.