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Unique heat sealing technology, unique 360° heat sealing technology, high heat seal strength, good airtightness, safe and stable.
Unique heat sealing technology, unique 360° heat sealing technology, high heat seal strength, good airtightness, safe and stable.
Using high-steel nanometer polypropylene one-piece valve, the characteristics of the bottom of the valve to increase the suction hole, unloading more clean.
Using high-steel nanometer polypropylene one-piece valve, the characteristics of the bottom of the valve to increase the suction hole, unloading more clean.