Anti-Japanese War: a Billion-Fold Return, I Handed over the Heavy-Armored Synthetic Brigade!

After traveling through the world of "Bright Sword", Chen Feng started with an unlimited return system! Submit weapons and equipment, and you can get returns up to 100 million times! What else is there to say? All the spoils of war are handed over! As a result, the brigade commander's phone was bombarded with calls! "Brigadier, you have to congratulate me on getting rich again!" After handing over several melon grenades from the Yamamoto Special Forces, Chen Feng looked at the cloud bombs returned by the system and fell into deep thought... What, do you want to see fireworks?