Traveling Through 1930, I Became the Commander-In-Chief 2

[No system] [Male channel] [Shuangwen] [Cultivation system] [Grand war scenes] [Violent aesthetics] This book is mainly about the fight against Japan. The protagonist Zhang Qing set up logistics and military industry after time travel in 1930 to help the Red Army in the Long March. The current timeline is in the spring of 1937, less than 4 months before the July 7 Incident. How will Zhang Qing use the mechanized troops in his hands to fight against Japan?