Norinco sks dating
It had little time to rebuild when they were drawn into another war the following year.
The writing was on the wall for this nearly 100 year old factory.
The American public first encountered the Chinese SKS when the soldiers brought them back from the jungles of Vietnam. The bringbacks as they were called, could fetch as much as 00 with proper documentation.
The majority of all the bringbacks were from China and most were built in Jianshe Arsenal.
I'm not quite sure how many factories were actually built but probably far less than the 150 known factory codes. eg: factory 26=126=136=296, factory 36=386, factory 96=9616.
The late 70s to early 80s was a period of uncertainty for Jianshe.