The co-extruded poly mailer is made of poly film, by special machinery, which is co-extruded from many kinds of plastic resins with different functions.
共挤膜袋是由具有不同性能的多种塑料材料共挤而成的薄膜，经特种机器制袋而成。
The co-extruded poly mailer is made of poly film, by special machinery, which is co-extruded from many kinds of plastic resins with different functions.
共挤膜袋是由具有不同性能的多种塑料材料共挤而成的薄膜，经特种机器制袋而成。
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