The Battle of Niangziguan (Niangziguan Zhandou, 娘子关战斗) was a battle fought between the communists and the nationalists during the Chinese Civil War in the post World War II era and resulted in communist victory. The battle was a critical one in Zhengtai Campaign that helped to determine the outcome of the campaign. Order of battle * Nationalist (1,000 total) * Shanxi 4th Security Regiment * Communist (2,000 total) * 7th Brigade of Shanxi-Chahar-Hebei Military Region