... back center, etc.4. Printing: Good quality, high speed printing machines.5. Price: According to different material , size, printing, etc.6 ... ) Food bags for coffee or coffee beans, spices, sauces, meat, frozen food, pet food,seafood, juice, noshes, etc, including almost all ... ,ASTM,EEC,QS Reference photos for our workshop and products: Frozen seafood bag