GIS GROUP FRIENDS with coffee valve

WOJIN New Journey in 2025 Marching Towards the Future Striving Together

In 2025, WOJIN will continue to move forward, providing high-quality one way degassing valves for the market and creating an even more brilliant future!

WOJIN Showcases High-Standard One-way Degassing Valves at Shenzhen Coffee Expo

WOJIN promoted its brand at the Shenzhen Coffee Expo and will continue to produce high-quality products to high standards.

Learn about WOJIN one-way degassing waterproof valve (WJ1901-FW)

When some products containing liquid and need to be degassing to maintain freshness, we need to use a bag with one way degassing waterproof valve.