By material, it can be classified as:White kraft paper bags, whiteboard paper bags, copperplate paper bags, kraft paper bags, and a small amount are made from special paper.
Based on the different methods of bag edges, bottom, and seal bottom: There are four types of paper bags: open bottom bag, open corner adhesive bottom bag, valve type stitched bag, and valve type flat hexagonal end bottom adhesive bag.
Based on the differences in the grip and digging holes: NKK (Punching and Lacing), NAK (Lacing without holes, divided into no-mouth fold and standard mouth-fold types), DCK (Lacing without rope in the bag body with a hole for the handle), BBK (with a tongue but no punching holes).
According to the different uses:Including file bags, envelopes, handbags, cement bags, feed bags, wax paper bags, fertilizer bags, laminated paper bags, four-layer paper bags, medicine bags, clothing bags, food bags, shopping bags, gift bags, beverage bags. The specifications and sizes designed for different uses, including the thickness of the paper bags, have many requirements. Therefore, it is necessary to customize according to the actual situation to achieve the purpose of saving time and effort, economic and practical, providing more security for the reduction of materials, green environmental protection, and enterprise capital investment.