aytest
This is a title, let's see if it can be translated?
Such a long passage and you still can't understand it? Silly.
Green tea is unfermented, retaining the most tea polyphenols and vitamin C, but it is also the most prone to oxidation, discoloration, and flavor deterioration. Premium green teas such as West Lake Longjing, Biluochun, and Xinyang Maojian require freshness preservation as the top packaging priority.Recommended structure: PET/AL/PE or PET/VMPET/PEBarrier requirement: Must include an AL (aluminum foil) layer, WVTR≤0.1, OTR≤0.1Additional measure: Nitrogen-flush packaging, residual oxygen content ≤1%






