The 21st Public Security Division( zh, 公安第21师) was created in January 1951 from 3 security regiments of Shandong Military District and a regiment from Shangqiu Military Sub-district.
The division was composed of three regiments, with a total of 7221 personnel:
*61st Public Security Regiment;
*62nd Public Security Regiment;
*63rd Public Security Regiment.
The division was a part of Railway Public Security Forces, guarding the railway lines and complexes in northern China area.
In January 1955, the division moved to
Pulandian
Pulandian District () is one of the seven districts under the administration of Dalian, located in the south of Liaoning province, People's Republic of China. Its area is and its permanent population is 741,230. The district borders the prefect ...
,
Liaoning
)
, image_skyline =
, image_alt =
, image_caption = Clockwise: Mukden Palace in Shenyang, Xinghai Square in Dalian, Dalian coast, Yalu River at Dandong
, image_map = Liaoning in China (+all claims hatched).svg
, ...
. In March the division was attached to
64th Corps and renamed as 190th Infantry Division( zh, 步兵第190师) following the
1st formation of 190th Infantry Division's re-designation.
The division was then composed of:
*568th Infantry Regiment (former 61st Public Security);
*569th Infantry Regiment (former 62nd Public Security);
*570th Infantry Regiment (former 63rd Public Security);
*570th Artillery Regiment.
建国后中国人民解放军步兵师的发展 (2011年版)
/ref>
In 1960, the division was disbanded following 1st Mechanized Division's re-attachment to the Army Corps.
*The divisional HQ and its 568th Infantry Regiment were re-organized as Air Force Engineering Academy;
*Its 569th Infantry Regiment was converted to 129th Engineer Construction Regiment
*570th Infantry Regiment was transferred to Jilin Provincial Military District, later expanded to 213th Army Division;
*570th Artillery Regiment was transferred to Lvda Security District's control.
References
{{People's Liberation Army Divisions
Infantry divisions of the People's Liberation Army
Military units and formations established in 1951
Military units and formations disestablished in 1961
1951 establishments in China