About Wojin

Since its establishment in 2012, Wojin Plastic Products Factory has focused on the R&D and production of one-way degassing valves and semi-automatic valve applicator. It has brought in a fully automatic production line from Japan with a daily production capacity of 200,000 and a product qualification rate of 99.9997%. The company strictly controls product quality, strictly monitors each step of the product manufacture, and implements the 6sigma management. We guarantee the delivery on time and have 24-hour online customer support. Let our "coffee degassing valve retains the aroma of your coffee".
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WOJIN New Journey in 2025 Marching Towards the Future Striving Together

08 Feb 2025

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

04 Sep 2024

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)

26 Aug 2024

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.

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