At room temperature is best controlled at 18 to 23 degrees is best, white plastic film bags, and keep the environment clean, air circulation. 3, the ink selection should be very careful (with nature), white film bags wholesale, proper use of the ink should, as much as possible a small viscosity and high resin content of the ink system as well. The detection of indicators should be standard: whether the health and environmental protection, film bags, or drop test on the heat-resistant, color film bags, then, or is the process of packing and shipping, which must meet the state standards data, only under such circumstances the production and inspection of bags only to meet the standards, to meet the requirements of daily use. Film bags, Xin Yu packaging, white film bags provided by Xiong Yu Xin plastic packaging plant. Film bags, Xin Yu packaging, white film bags is Xiong Yu Xin plastic packaging plant (www.xinyusl.com) (www.xinyusl.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel or pictures on this page, for the latest information, contact: Wang Kai Lai.