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,
Liaoning
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, 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)
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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