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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Blog
WOJIN 13th Anniversary Team Building Journey
25 Nov 2025To celebrate WOJIN 13th anniversary, we proudly held a two-day team building activity that effectively strengthened teamwork and brought new energy.
WOJIN held limited time product classification competition
04 Nov 2025WOJIN's product classification competition this month has added a timed challenge to test employees’ speed and accuracy.
WOJIN in Café Expo Yunnan 2025
28 Sep 2025In September 2025, WOJIN went to Yunnan to participate in the coffee exhibition and showed our products and brand to local coffee brands.