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Preserving the freshness of coffee is a top priority for coffee roasters and packaging businesses. A one-way coffee valve machine is an essential solution for applying degassing valves to custom coffee bags, ensuring extended shelf life and superior quality. This machine automates the process of attaching one-way degassing valves, allowing carbon dioxide (CO₂) to escape while preventing oxygen from entering, which helps maintain the aroma, flavor, and freshness of coffee.