2, has a melt strength from the die to have a certain flowing melt viscoelasticity, i.e. higher melt strength. Since the melt cast onto woven stretch the distance is a pull process Hebei bags, there is a certain draw ratio, it requires a certain degree of melt strength in order not to break or pull pulled off. General plastic bags of coal production not forming woven bags Hebei, which is the last step in the production of suture, so plastic bags is the real complete. But it notes that the size of the suture hour pitch will have some effect on their quality. Hebei bag factory, Xin Yu Package (certified), Hebei bags provided by Xiong Yu Xin plastic packaging plant. Xiong Yu Xin plastic packaging plant (www.xinyusl.com) (www.xinyusl.com) Hebei Baoding, composite materials packaging products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum Limits to meet customer needs. Yu Xin leader in packaging with the staff warmly welcome all inquiries negotiations to create Xin Yu packaging better future.