午夜福利免费视频_午夜精品国产理论片_成年人午夜视频_国产精品婷婷午夜在线观看 久久久久成人网站_免费高清无码专区_欧美激情精品久久_综合天堂av久久久久久久

24-Hour Hotline

0570-8089512 / 0570-8089507

PVA (PVOH) coating film

Ultra high oxygen barrier performance, outstanding aroma and fragrance barrier (retention) performance. Mainly suitable for packaging dry foods such as nuts.