According to the archaeological findings (leather boots belonging to Mard Nakhi No. 1), the origin of leather industries in the province can be traced back to the types of charuqs produced in the province during different historical periods, including hemp, leather, agricultural, leather, lace, and curtains. Band and... pointed out that each one is prepared with a special method using leather, processed skin and various materials such as cotton, hemp, silk, etc.
Lace curtains and curtains are produced exclusively in Zanjan city, and leather curtains can be turned into carpets with extremely delicate decorations according to the customer's request.

According to archaeological findings (leather boots belonging to Salt Man No. 1), the origin of leather industries in Zanjan province can be traced back to at least 2000 years ago. Charuq Dozi art probably dates back to the (Sasanian) period and the peak of its decorations to the (Safawi) period, the beauty and diversity of its design and motifs make the eyes of every art expert fall in love with its abstract and original motifs. The origin of this art was Soltanieh city in Zanjan province and it was transferred to Zanjan from that area.

Among the types of charouks produced in the province during different historical periods, we can mention the types of hemp, all skin, agricultural, all leather, lace, curtains, etc. It has been processed and various materials such as cotton, hemp, silk, etc., have been prepared.
Lace curtains and curtains are produced exclusively in Zanjan city, and leather curtains can be turned into carpets with extremely delicate decorations according to the customer's request.