Decorative materials commonly used in plastic resin types are: food packaging food bags must have QS certified manufacturer of polyethylene (PE), polyvinyl chloride (PVC) PP polypropylene foil sealing food bags, food bags widely in polystyrene (PS), phenol-formaldehyde (PF), urea-formaldehyde (UF), epoxy (EP), polyester (PR), polyurethane (PU), polymethyl methacrylate (PUMA), silicone (SI) and the like. In accordance with the changes that occur when different heat sealed food bag manufacturers, synthetic resin can be divided into two kinds of thermoplastic resins and thermosetting resins vacuum food bag in the packaged food, the food is generally attached to the outside of the package customized sealing food bags, but in the store In this vacuum plastic bags food bags will be relaxed situation, that is no longer attached to the vacuum bag of food, but a certain gap between food and. Is this not bulging bags can not be determined, if the vacuum food bag bulging up completely, the performance is bulging bag after bag of food inflation can no longer eat, because after a bulging bags of food to spoil. Zhejiang sealed food bags, food bags factory sealed, Red Plastic Factory (certified merchants) provided by Xiong Red Plastic Factory. Xiong Red Plastic Factory (corp.1688.com/page/index.htm?memberId=poqwe321&fromSite=company_site&tab=companyWeb_detail) is specialized in all kinds of plastic "plastic film, food bags, garbage bags, craft bags, gift bags and other bags "business, the company adhering to the" honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zhao floor.