? Plastic bags by major material for polypropylene bags, polyethylene bags; method divided by sewing the seam bottom bags, seam side bottom bags. Now widely used in a packaging material fertilizers, chemical products and other items. Its main production process is the use of plastic raw materials extruded film, cut, one-way stretch of flat, woven through the warp and weft get products, commonly referred to as bags. Plastic bags main specifications: 30-105cm, mainly produces plastic bags, color bags, film bags, inner film bags, fertilizer bags, feed bags, chemical bags and other large woven plastic bags, Ltd. Shun offer custom, wholesale bag also has a high temperature, moisture, mildew, stacking convenient, easy to fall slightly permeability, relatively flat surface, reducing breakage, finish good, feel good, novel appearance, reduce shipping costs, low prices, economic , and can be reused many times, environmental protection and good, and so on. Adapt to various equipment packages and transportation environment, due to the effect of the composite film, good moisture resistance. Making multi-band hem and improve the strength of the upper and lower mouth stitched, using heat back to meet the higher moisture requirements, but also can be high or low pressure intima plus PE bag.