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Personne àcontacter Ms. Yoyo
NO,887 xicheng road, JIANGYIN, JIANGSU
Usage:the type of bags are commonly used for coffee packaing, also used for other food packing with higher demand of keeping fresh. Principle:as we know, fresh coffee will generate large amout of carbon dioxide, the coffee bag with a one-way exhaust valve can prevent the external gas, but also can cause the gas come from coffee automatically go out of ***** type of gas could get rid of owygen fo food packaging. Material:PET/MPET/PE, PET/AL/PE
