A European buyer specializing in coffee packaging got suspicious last year. The PET/AL/PE composite film samples he received felt different from previous batches. He ran a quick thickness check and confirmed his suspicion — the aluminum foil layer had dropped from 9 microns to 7 microns. Nobody had
Two Pallets, Same Warehouse, Completely Different OutcomeA food importer in the Middle East took delivery of two pallets of PET/AL/PE composite film last summer—same production day, same batch. The warehouse was tight on space, so one pallet went into a ventilated zone with decent airflow, and the o
A regional convenience store operations manager vented to me last month. His chain runs 30-plus locations across northern China, all with open-front display chillers. During the day, air curtains handle temperature containment. At night, the staff pulls down night blinds to save energy. The strategy