Yiwu Chi Feng plastic bag factory is an independent production and sales of plastic bags, OPP, PE self-adhesive bags, card bags, ziplock bag, plastic bags, woven clothing bags, food ziplock bag, non-woven gift bags, bags and other plastic bags packaging one-stop service company. 1, Material: BOPP / LLDPE two composite characteristics: moisture, cold, low-temperature heat sealing Rally Use: instant noodles, bags wholesale, snacks, frozen snacks, powder packaging bags plant Yiwu Chi Feng is an independent production and sales plastic bags, OPP, PE self-adhesive bags, bags wholesale Hubei, card bags, ziplock bags wholesale factory, plastic bags, woven clothing bags, food ziplock bag, non-woven gift bags, composite bags plastic bags and other packaging one-stop service company. Composite packaging is two or more materials, through one or more dry complex process and combined together to form a certain function of composite packaging. Generally it can be divided into the grass roots, the functional layer and the heat seal layer. Grassroots mainly from beautiful, printing, moisture resistance and so on. Such as BOPP, BOPET, BOPA, MT, KOP, KPET like; function primarily as a barrier layer, dark and so on, as VMPET, AL, EVOH, PVDC and the like; a heat seal layer in direct contact with packaged goods, from the adaptability, resistance to penetration , good heat-sealability, and transparency, the opening date of the other functions, such as LDPE, LLDPE, MLLDPE, CPP, VMCPP, EVA, EAA, E-MAA, EMA, EBA and the like.