In game, go to logistics center, then swipe until you see the "Gift Code" option and enter these codes.

Code	Effect
AAEBOSS	2m Iron Chest * 5, 2m Oil Chest * 5, 2m Silicone Chest * 5, Small Leadership Chest (20 books), Honor Medal Chest * 2 (100 medals each)
CERMYGAME	2m Iron Chest * 5, 2m Oil Chest * 5, 2m Silicone Chest * 5, Small Leadership Chest (20 books), Honor Medal Chest * 2 (100 medals each)