cpp film Key features - compared with other film LLDPE, LDPE, HDPE, PET, PVG and other opp bag, lower costs and higher yields. - Higher stiffness than PE film. - Water, gas and odor barrier resistance. - Versatile, can be used as a composite material of the base film. - May be metallized. - As food and commodity packaging and packaging card head opp bag, with excellent presentation of the opp bags prices, the product can still clearly visible under the package. Bags for food, electronics, chemicals, pharmaceuticals, tea, precision instruments and national defense products such as vacuum packing or general packing. Material: OPP, PE, POF, PPE, PP, composite film, and so the process is divided into: Edge sealed bags, bottom sealed bags, in sealed bags opp bag printing, trilateral closure. It requires four different machines. Yiwu Chi Feng plastic bag factory located in Yiwu City, Zhejiang Province. Companies adhering to the "customer first, forge ahead" business philosophy, adhere to the "integrity management, customer first" principle to provide our clients with quality services. opp plastic bag factory, Qinghai opp plastic bags, plastic bags provided by the Chi Feng Chi Feng plastic bag factory in Yiwu. Yiwu Chi Feng plastic factory (www.ywzhifeng.com) strong, credible, Jinhua in Zhejiang plastic bag industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Chi Feng plastic bag into the brilliant and you work for a better future!