一种新型果蔬保鲜包装材料———龙兴牌果蔬气调保鲜袋，最近获得了国家科技部、外贸部、国家技术监督局等联合颁发的国家重点新产品证书。这种产品是哈尔滨北方保鲜研究所研制生产的，以高压聚乙烯为基本材料，复配无毒透性材料和助剂加工制成，可根据不同果蔬特性调整膜... A new type of fruit and vegetable freshness packing material --- Longxing brand fresh fruits and vegetables fresh-keeping bag, recently won the national Ministry of Science and Technology, Ministry of Foreign Trade, State Technical Supervision jointly issued by the state’s key new product certificate. This product is developed and produced by Harbin Institute of Preservation, North to high-pressure polyethylene as the basic material, compound with non-toxic permeability materials and additives processing can be adjusted according to different characteristics of fruits and vegetables ...