At room temperature is best controlled at 18 to 23 degrees is best, and keep the environment clean, air circulation. 3, the ink selection should be very careful (with nature), plastic bags, the use of ink to be properly cut plastic bags, as possible high resin content and low viscosity ink system as well. 4, other performance options to select narrow molecular weight distribution polyolefin resin. Broad molecular weight distribution will be uneven flow stress cast film, transparent plastic bags, resulting in the film split, size fluctuation margins, perforation and so on. Baoding plastic food bags, Xin Yu Package (certification), plastic 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.