Paper plastic composite bag: also called three in one composite paper bag, is a bulk container of small, mainly realize the modular transport by human or forklift, it is convenient to shipment minor bulk powder material, has the advantages of high strength waterproof is good, the appearance of Korea, easy handling and other characteristics, is one of the most popular and practical the common packaging materials. Process Description: outside the use of refined white kraft paper or yellow kraft paper, which uses a plastic woven cloth, through high temperature and high pressure to make plastic particles of PP melt, the kraft paper and plastic woven composite together. Plus endometrium bag. Paper plastic composite bag forms the equivalent joint bottom open pocket. With good strength, waterproof and dampproof superior features.