PETzakumwa zoziziritsa kukhosizotengeraamagwiritsidwa ntchito zosiyanasiyana, koma makamaka kusunga zakumwa ndi chakudya.COPAK imapanga mitundu yosiyanasiyanaPET zakumwa zoziziritsa kukhosimonga mabotolo a PET, makapu a PET, zotengera zakudya za PET, makapu a ayisikilimu a PET ndi zina zotero.ZathuPET zotengera ozizirambali mu mtundu, mawonekedwe, voliyumu, kukula ndi kusindikiza kwawo.Koma zotengera zonse za PET zitha kugwiritsidwa ntchito pakunyamula zakumwa, zipatso, zotsekemera, zokometsera mkaka, tiyi, khofi, ayisikilimu, chakudya chambiri ndi saladi ndi zina zotero.