Is it compound for aluminium bag and plastics compound the color printing bag to mould , used in the chemical industry , food , medicine , tea , high pure metal , original device of electron , precision type instrument , large - scale machinery and the vaccum packaging of the national defence highly sophisticated products or general packaging 其一為鋁塑復(fù)合袋及塑料復(fù)合彩印袋,用于化工、食品、醫(yī)藥、茶葉、高純金屬、電子原器件、精密儀器、大型機(jī)械以及國防尖端產(chǎn)品的真空包裝或一般包裝。