In October 1969 186th Army Division() was formed from 2nd Engineer District, Engineer Corps of Beijing Military Region. The division was a part of 63rd Army Corps.
In December 1969 the division was renamed as 189th Army Division(), and all its regiments were re-designated as: 565th Infantry Regiment; 566th Infantry Regiment; 567th Infantry Regiment; Artillery Regiment.
In July 1985 the division was disbanded.
References
中国人民解放军各步兵师沿革, http://blog.sina.com.cn/s/blog_a3f74a990101cp1q.html