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 Showcased Coffee Bag Degassing Valve Solutions at HOTELEX Shanghai

12 Apr 2025

WOJIN took part in HOTELEX 2025, held at the National Exhibition and Convention Center in Shanghai.

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.

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