Changyu is the pioneer and advocator of transparent aluminum oxide film for packaging in the Chinese market, we have made unremitting efforts for the development and promotion of this product, changyu is also the consitutor of ongoing major national standard project Quality general rules of oxides barrier transparent plastics laminated films and pouches for food packaging.Our products include metallized polyester film, MPET film, KPET film, coating film, ALOx film, PET film, etc. We keep stable cooperation with famous enterprises like Amcor, Bemis, Zijiang.n 2013, Changyu was awarded the title of National High-tech Enterprise based on more than 100 utility model patents and multiple invention patents.