What is the principle of screen printing is? Due to the viscosity of the ink blots leaving fixed within a certain range of opp bags color film, the printing process is always squeegee and screen printing and the substrate line contact pearl color film bags the contact line with the blade and moves Shijiazhuang color bags, due to maintain a certain gap between the screen plate and the substrate, so that the screen plate printing through its own generation of blade tension reaction color bags, this reaction is called resilience. Therefore, in order to ensure its quality, at the time of the last suture should pay attention to its gauge of. Of course, if you do not know what welcome to visit our website. Color bags, Xin Yu packaging, opp color film bags provided by Xiong Yu Xin plastic packaging plant. Color bags, Xin Yu packaging, opp bags color film 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 This page or image on to obtain the latest information, contact: Wang Kai Lai.