... only the highest quality 100% virgin polypropylene (PP) imported from oversea countries. The resins are ... .Bangxing manufactures both flat and round-woven PP fabrics, which are inspected and tested for ... bag, waste bag, pipeline weight bag, etc3.Agricultural Storage:sugar bag, salt bag, flour bag, seed bag,grain bag, peanut bag, potato bag, corn bag, flour bag, milk bag,woven fabric for grain, food ...