Hello August!

Wojin Plastic Product Factory is the only one manufacture that

focus on producing one-way degassing valves in China.

We have moved to a new factory,welcome all coffee lover and

coffee profession who are interested in the one-way degassing

valves,semi-automatic valve applicator and coffee bags to visit

our factory.

You will have a good time at our factory and you can enjoy a

cup of coffee at our customer meeting room.

You also can know more information about our one-way

degassing valves,semi-automatic valve applicator machine.

www.wojinvalve.com