Huaweier supplies food-grade PET packaging for repeat projects by food brands, importers and co-packers.FSSC 22000-managed production and applicable food-contact documentation are available for project evaluation. Custom Closure Options for Food Grade PET Jars The closure controls access, resealing and line performance, so it must be selected with the jar neck and food. Huaweier reviews existing screw caps, the verified 40 mm single flip-top option and compatible liner paths