The paper packaging products are widely used in packaging industry. The making requirements for multi-layer material of packaging are extremely strict and high.
纸质包装制品是应用日趋广泛的一种包装材料，生产中对多层基材包装制品的制作要求也越来越严格，难度愈来愈高。
The paper packaging products are widely used in packaging industry. The making requirements for multi-layer material of packaging are extremely strict and high.
纸质包装制品是应用日趋广泛的一种包装材料，生产中对多层基材包装制品的制作要求也越来越严格，难度愈来愈高。
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