23 July 2016. The Syrian Arab Army’s 4th Mechanized Division, backed by the Republican Guard and National Defense Forces (NDF), continued their large-scale offensive inside Aleppo City’s northern sector, seizing new factories in the Al-Layramoun Industrial Area.

AL MASDAR NEWS

https://www.almasdarnews.com/article/syrian-army-advances-inside-jihadist-controlled-aleppo-city

At industryabout.com:

Syria - Industrial Map