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- Essential role of coffee one way valves
posted on May 21th, 2025
Basic functions of the coffee one way valve
It allows the gas to be discharged in one direction, but can effectively prevent the entry of external light and oxygen.

- How does the one-way air valve of coffee bag work?
posted on May 20th, 2025
When storing, the one-way exhaust valve is the core design to maintain freshness and master the "freshness secret" of coffee beans.
1. Exhaust function: exhaust carbon dioxide to prevent oxidation.
2. Isolate air: one-way seal to block oxygen

- One-Way Valve Manufacturer | Fast-Supply & good Quality
posted on May. 19th, 2025
Company Advantages: Fast-growing, Fast-supply, Fast-reaction & Best-quality, Best-price, Best-service
Quality control,Leading technology,Strong research and development ability,High cost-performance.

- Packaging exhaust solution expert
posted on May 17th, 2025
We are a professional manufacturer of one-way exhaust valves, which are strictly controlled by design, manufacturing, testing and quality.