According to the production process is often divided into plastic packaging bags, composite packaging bags.
According to the production of raw materials categories: high-pressure polyethylene plastic bags, low pressure polyethylene plastic bags, polypropylene plastic bags, PVC plastic bags and so on. According to the form Category: Vest bag, straight bag, three-dimensional bag, side-end bag.
Sealed pockets, plastic bags, special-shaped bags and so on. Plastic bags including plastic woven bags and plastic film bags. The former has the characteristics of light weight, high strength, corrosion resistance and so on, after adding plastic film lining, it can damp and damp, light bag carrying weight below 2.5kg, medium bag carrying weight in 25-50kg, heavy bag load 50-100kg. The latter has a lightweight bag carrying weight of more than 1kg, medium bag carrying weight 1-10kg, heavy bag load 10-30kg, and container loading bag more than 1000kg.