We focus in production and sales of one-way degassing valve manufacturing.We developed Semi-Automatic Valve Welding Machine.


Our One Way Degassing Valve with the raw materials passing SGS and ROHS instruction, and had approved by United States FDA requirements for food.


Wojin Coffee Valve were designed and helped to release air pressure from the container or packing of product it such as liked roasted coffee which.


WJ1901(with filter)


WJ1902(without filter)




Semi-Automatic Valve Applicator VM-01


Semi-Automatic Valve Applicator VM-02


Semi-Automatic Valve Applicator VM-04


Aluminum Foil Bag


Kraft Paper Coffee Bag


  • "Our company are using the coffee valve from other country,and we have made one unit semi-automatic valve applicator machine by ourselves,after I saw Hebe Mai from the 2014 HK International Bakery Exhibition on Dec 5th,we decide to buy the valve applicator machine and the coffee valve from Wojin.They are the only one factory that focus on producing the coffee valve in China,their machine can run all kinds of coffee valve and easy to control,at last,I decided to buy the machine and valve from Wojin on the exhibition."

    Edward from Turkey
  • "We have bought the coffee one-way degassing valve in the local market in Vietnam,I don’t like the quality of the coffee valve in the local market,because it will become the two-way degassing valve at last.After I know Hebe Mai from Wojin One-way degassing valve from Facebook,she let me know what is real coffee one-way degassing valve.I am a roaster,I love roast coffee bean very much,but I face a important problem: how to keep the coffee fresh,release the co2 and prevent the air get into the coffee bag.Before I bought the Wojin Coffee One-way degassing valve,I am using the local coffee valve,that make me very upset the quality of my coffee.But now,Wojin help me solve the problem and keep my coffee fresh after I roasted it and transport to my client.Thanks for Wojin Coffee One-way degassing valve."



19 Mar 2018

your trust is the driving force of wojin one way degassing valve!

18 Mar 2018

one way valve wants to share with you how to take coffee pictures and make your friends circle brush burst?

17 Mar 2018

one way degassing valve talks about the symbol of british elegance life is afternoon tea.