In daily life, when we buy products packed in plastic bags, there are still some problems in use. One of the more common problems is that the easy-tear openings on the plastic bags are not suitable. So, how important is the easy tear opening of plastic packaging bags?
Read MoreAfter coffee beans are roasted, if they are packaged in poor-quality coffee bags, the aroma of the coffee will easily evaporate and be easily affected by odors. Therefore, coffee packaging must avoid the loss of aroma gases from the packaging bag and the absorption of odors from outside the packagin......
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