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PET leh PVC hi hmun tinah a awm a, packaging atanga industrial products thlengin a awm. Mahse, i mamawh atan eng nge tha zawk? Plastic dik thlan hian performance, cost, leh sustainability a nghawng a ni.He post-ah hian an danglamna pawimawh tak tak, an ṭhatna leh an hmanna ṭha berte i zir dawn a ni.PET Material chu eng nge ni?