If you were to pick out the 10 units with the best records, which would they be?10th place: 13th Army. 
The 13th Army, that is, the Fourth Column of Zhongye, fought from the Taiyue Military Region to Yunnan, and the columns were listed in a single battle history, creating brilliant records one after another. In February 1949, the 13th Brigade and the 10th Brigade of the Fourth Column were reorganized into the 13th Army of the Second Field, with Zhou Xihan as the commander, and participated in the battle of crossing the river with his troops, sweeping away the participating forces of the Jiang dynasty. In the War of Liberation, this unit once defeated the world's first brigade (integrated first brigade), and was stationed in Yunnan after the war to defend the tranquility of the southwest region of the motherland. In 1955, Zhou Xihan was awarded the rank of lieutenant general. Ninth place: Eleventh Army. The predecessor of the 11th Army was the Red Fourth Army in the Hubei-Henan-Anhui Soviet Region, and it was the number one trump card unit of the Red Fourth Front Army. During the War of Resistance Against Japanese Aggression, it was reorganized into the 769th Regiment of the 385th Brigade of the 129th Division of the Eighth Route Army, and during the War of Liberation, it developed into the third column and the 11th Army of Zhongye, and participated in a series of operations such as the Shangdang Campaign, the Southwest Lu Campaign, the Huaihai Campaign, the River Crossing Campaign, and the Liberation of the Southwest. The first army commander, Zeng Shaoshan, was born in the Hubei-Henan-Anhui Red Army, and was awarded the rank of lieutenant general in 1955. Eighth place: 24th Army. The predecessor was the first detachment of the New Fourth Army, which was reorganized from the southern guerrilla forces. During the Liberation War, this unit developed into the Huaye Sixth Column, with Wang Bicheng as the commander. Wang Bicheng is brave and good at fighting, is a sharp sword under Su Yu's account, he led the six columns to participate in a series of victories in Huaye, and his military exploits are extremely outstanding. In 1949, the Sixth Column was reorganized into the 24th Army, and Wang Bicheng continued to serve as the commander. In September 1952, the army also participated in the invasion of North Korea, bravely resisted US imperialism, and made outstanding achievements. 
Seventh place: 26th Army. The 26th Army, the Huaye Eighth Column, was rebuilt from some units of the Luzhong Military Region that developed from the Culai Mountain Uprising. After the victory of the Anti-Japanese War, part of the troops of the Luzhong Military Region marched into the northeast, and the rest later developed the Huaye Eighth Column, which was reorganized into the 26th Army in 1949. The 26th Army participated in a series of battles such as the Lunan Campaign, the Menglianggu Campaign, and the Huaihai Campaign, and also entered the DPRK to resist the US imperialists, and its combat exploits were extremely outstanding. Representative figures: Wang Jian'an, founding general, Zhang Renchu, founding lieutenant general. Sixth place: 20th Army. The predecessor of the 20th Army can be traced back to the Mindong Independent Division during the Red Army period, and later developed into the Sixth Regiment of the New Fourth Army, the First Column of the Shandong Field Army, and the First Column of the East China Field Army. After the outbreak of the Korean War, the 20th Army, led by the army commander Zhang Yixiang, crossed the Yalu River to fight against the US imperialists, fought a bloody battle at Changjin Lake, and blocked the strong enemy in the severe cold of minus 30 degrees, writing a scene that can be sung and cried. The first army commander Liu Fei was awarded the rank of lieutenant general in 1955, and the army commander Zhang Yixiang was also awarded the rank of lieutenant general. Fifth place: 27th Army. The 27th Army was developed from the 1st and 6th Divisions of the 5th Division of the Shandong Eighth Route Army, and was the 9th Column of the East China Field Army in the early stage of the Liberation War. Under the leadership of Commander Xu and Nie Fengzhi, this unit became the trump card of the Shandong Corps, opened up the entire Jiaoji Line in one fell swoop, and was a great contributor to the liberation of half of Shandong. 
In February 1949, Huaye Ninth Column was reorganized into the 27th Army, with Nie Fengzhi as the commander. After the outbreak of the Korean War, the 27th Army, together with the 26th Army and the 20th Army, belonged to the Ninth Corps, and was the first batch of troops in Sanye to enter the Korean War. The first army commander Nie Fengzhi, the founding lieutenant general, the army commander Peng Deqing, the founding major general. Fourth: Thirty-eighth Army. The predecessor of the 38th Army was the Pingjiang Uprising Force under the command of Peng Lao, the Pingjiang Uprising Army successively developed into the Red Fifth Army and the Red Third Army, and in the early days of the Liberation War, it was the first column of the Northeast Democratic Alliance Army, with the commander Li Tianyou, the founding general of the People's Republic of China. In October 1950, under the leadership of army commander Liang Xingchu, the 38th Army became one of the first troops to enter the DPRK to fight. Third place: Thirty-ninth Army. The predecessor of the 39th Army, the Red 15th Army during the Red Army period, was formed by the combination of the Red Army of Northern Shaanxi and the Red 25th Army, and its combat effectiveness was extremely strong. By the time of the Liberation War, this unit developed into the second column of the Northeast Democratic Alliance Army, and under the leadership of Commander Liu Zhen, it was a feat in military history to fight from the icy Heilongjiang to Hainan Island in the ** Belt region. Second place: 40th Army. The predecessor of the 40th Army, that is, the troops of the Luzhong Military Region of the Shandong Eighth Route Army. After the victory of the Anti-Japanese War, the main force of the Luzhong Military Region was sent to the northeast and formed the third column of the Northeast People's Autonomous Army, and the remaining troops of the Luzhong Military Region later developed into the 26th Army of Sanye. The 40th Army dared to fight and was good at attacking fortifications, and had the reputation of a whirlwind force. In the Korean battlefield, the 39th, 38th, and 40th armies, together with the 42nd army, were the first units to enter the DPRK to fight. 
1st place: 23rd Army. The 23rd Army, whose predecessor can be traced back to the troops of the Fujian and Zhejiang Military Region during the Agrarian Revolutionary War. During the War of Liberation, this unit developed into the Huaye Fourth Column, under the leadership of Commander Tao Yong, starting from the Soviet-Chinese Campaign, participated in almost all the major battles commanded by General Su, and destroyed a total of nearly 200,000 enemies, which was the largest number of enemies among all columns of our army. In February 1949, the Huaye Fourth Column was reorganized into the 23rd Army, with Tao Yong as the commander. In the battle of crossing the river, the 23rd Army bravely fired back in the face of the provocation of the British ** ship, sinking one British ** ship and wounding two, which can be said to have raised the prestige of our country. In 1955, Tao Yong was awarded the rank of lieutenant general. In terms of his outstanding military exploits, it is a little lower. In terms of the number of enemies destroyed, the author believes that the 23rd Army (Huaye Fourth Column) should be the unit with the most outstanding combat record, and the 40th Army is good at fighting tough battles and can be ranked second.