At the request of customers, after many times of material selection and strict repeated experiments by the Technology Department, our company has developed water soluble resin for various plastic film coatings, which eliminates the need for corona pretreatment of plastic film coating before, solves the industry problems of poor adhesion fastness of resin coatings, easy cracking and peeling when bending and kneading, and contributes to reducing production process, saving production costs and improving production efficiency for users.