How do you keep coffee fresh after opening

10 Jul 2020

Remember to seal the packaging bag after taking some coffee out, so the one-way degassing valve would finish its job to keep the freshness of product.

Does ground coffee need to breathe

03 Jul 2020

Roasted coffee cannot be put directly into a sealed package, because the coffee need to "breathe", that is, the carbon dioxide gas will be released.

Why do coffee packs have an aroma hole if it is recommended to store coffee in an air tight container

26 Jun 2020

This is a hole punched before installing the degassing valve, which purpose is to discharge the CO2 released and avoid the oxidation of coffee.

What is That Hole in Your Coffee Bag

18 Jun 2020

Everyone would notice a small hole in the coffee packaging bag, this small hole is the breath channel of the one-way degassing valve.

How Does a Coffee Bag One-Way Air-Valve Work

11 Jun 2020

A high-quality coffee valve can promptly discharge carbon dioxide from the coffee bag without allowing outside air to enter the bag.

What is coffee packaged

05 Jun 2020

In addition to having the best raw materials, coffee packaging also plays an important role, which includes elements like one way degassing valve.

Why use a coffee freshness valve

25 May 2020

To get the best flavor of coffee bean, we choose the coffee packaging with coffee valve, because it can prevent the oxidation of coffee bean by oxygen.

Are One-Way Valves Right for Your Coffee Packaging Process

18 May 2020

One way valve is one of the most important accessories for coffee packaging, because the degassing valve can exhaust the inert gas released by coffee.

Are Coffee Bag Valves Important

12 May 2020

Coffee valve is important for coffee, which is not only one of the elements of coffee bag, but also but also protects the freshness of coffee.

How to use the sticker coffee valve

01 May 2020

Sticker coffee valve can be used to preserve coffee, and need to poke a small hole on the surface of the coffee bag, and then stick the valve to the hole.

Why Do We Need Valves in Coffee Pouches

16 Apr 2020

On many food packaging bags, there is a round valve, which we call one way degassing valve, which has an indispensable effect on preserving the coffee.

Why Use a Degassing Valve

12 Apr 2020

The secret to maintaining the freshness of coffee is the one way degassing valve and we don't have to worry about coffee oxidation and deterioration.

How does a degassing valve work

10 Apr 2020

When the gas released after coffee roasting reaches a certain pressure in the bag, the gas open the one way degassing valve to exhaust excess the gas.

What is a degassing valve

08 Apr 2020

2. The one way degassing valve is the assistant of coffee, which keeps the aroma of coffee better and guarantee the ideal appearance of the packaging.

One Way Degassing Valve, How To Choose And Identify

03 Apr 2020

Coffee packaging plays a important role in the preservation of coffee, the one way degassing valve is divided into an external type and a built-in type.

To endow the coffee valve a new environmental mission

18 Jan 2020

By reviewing the harmfulness that conventional plastic brings to our planet, Wojin has taken actions and developed degradable coffee exhaust valves.

What is the coffee exhaust valve

10 Jan 2020

The coffee exhaust valve is one of the packaging accessories on the coffee bag, which is also called one-way exhaust valve.

How to choose the suitable exhaust valve

08 Jan 2020

There are two types of exhaust valve on the market, the first one is built-in type exhaust valve, while another is an external type.

Why does a coffee valve play such an important role in preserving the coffee

06 Jan 2020

The coffee valve is important for the preservation of coffee beans.

The 7th anniversary of Wojin

26 Nov 2019

Wojin was established in Nov. 26th 2012, let`s welcome the 7th anniversary of Wojin at the same day today in 2019.

Do you take good consideration on your coffee valve Part II

20 Oct 2019

The coffee valve allows the worldwide coffee trade becomes more operational and allow consumer to taste a big range of coffee beans freshly.

Do you take good consideration on your coffee valve Part I

08 Oct 2019

Although people don’t mention it, coffee valve plays an important role with its small size among coffee industry, especially on biggest occasions.

What does a well-designed coffee exhaust valve mean to a barista

28 Sep 2019

By mentioning on the coffee competition, an efficient coffee valve would contribute on keeping the quality of final cup stable and predictable.

The method on testing the quality of coffee valve

18 Sep 2019

Alongside with our coffee map around the world—in Australia and Asian countries, we will introduce a test process for coffee valve quality check to you.

What does the use of a coffee valve for your product

08 Sep 2019

People around the world have different coffee culture, including preferred forms of coffee before drinking, a suitable coffee valve during storage becomes necessities.

Do you need the coffee valve for your coffee product

28 Aug 2019

When you or your customer have high requirement on the coffee kit, please also remember to have your coffee bean packed with a coffee valve without filter.

Importance on choosing the right coffee valve two

27 Aug 2019

Brewing methods have different requirements on the powder thickness, exhaust valves without filter is suitable for whole-bean product that can be grinded at home.

Importance on choosing the right coffee valve one

26 Aug 2019

Brewing method and the storage condition are both affecting coffee taste, and the exhaust valve with filter installed on package is suitable for powdery product.

What one way degassing valve contributes on the quality of coffee

16 Jul 2019

We recommend you keep coffee beans in containers with one-way degassing valve, it helps to prevent quality change and to extend shelf life during ‘resting’.

Coffee valve would add value on your product

05 Jul 2019

By combing with some coffee knowledge on flavour, we will also explain the extent of importance of coffee valve on adding value for your coffee product.

The value of one way valve and storage of coffee bean

01 Jun 2019

Whatever the package form that the business choose, the one-way valve is a necessary component to add on, some information on coffee variety is provided.

Discussion on the sour taste of coffee by one way exhaust valve

01 Nov 2018

Today one way exhaust valve will talk about the sour taste of coffee.

One way exhaust valve on coffee taste

30 Oct 2018

The one way exhaust valve tells everyone that tasting coffee is usually evaluated from three aspects smell,flavour and taste.

How to appreciate coffee by one way valve

26 Oct 2018

One way valve believes that drinking coffee should be like tasting wine, first smell the aroma, and then try a small bite, that you can taste the essence of it.

One way degassing valves talk about wrong steps to drink coffee

22 Oct 2018

Today, the one way degassing valve tells you about four common mistakes in drinking coffee.

One way degassing valve on preservation of coffee bean

20 Oct 2018

The one way degassing valve knows that roasted coffee contains up to 0.1% volatile flavor, so this coffee becomes the most aromatic food.

One way exhaust valve talk about barista's tips

18 Oct 2018

One way exhaust valve that a good cup of coffee in addition to a good machine, the method of blending coffee is also very important.

Coffee valve knows water quality determines coffee quality.

16 Oct 2018

The coffee valve knows the water quality determines coffee quality.

One way degassing valve on determining coffee quality by water temperature

12 Oct 2018

The one way degassing valve knows that in order to ensure the optimal solubility of the coffee, the boiling water temperature should be lower than boiling point.

One way exhaust valve on marchiato

10 Oct 2018

One way exhaust valve knows that Marchiato is espresso with a little milk foam, Marchiato smells stronger and more fragrant than Capuchello.

One way degassing valve talking about lattes marchido

08 Oct 2018

One way degassing valve knows that Italian-flavored Lattes Marchido is popular with coffee lovers not only for its taste, but also for its appearance.

One way exhaust valve knows the utz certified quality coffee

26 Jun 2018

One way exhaust valve know UTZ Certified is an independent organization that is certified to the world's high-quality coffee, cocoa and tea.

One way exhaust Valve on 4c association coffee certification

25 Jun 2018

One way exhaust valve understands that the 4C Association is a global organization of stakeholders in the coffee industry chain.

One way exhaust valve on sumatra mantinine

24 Jun 2018

One way exhaust valve knows that Sumatra began planting coffee trees in the 18th century, most famous coffee comes from the islands of the Malay Archipelago.

One way exhaust valve on Arabica and Robusta

23 Jun 2018

One way exhaust valves knows the main varieties of coffee grown in the world come from Arabica and Robusta.

One way degassing valve talks about the simple method of pressing pot

22 Jun 2018

The one way exhaust valve tells us that three factors can affect the flavor of coffee:powder thickness, water temperature and time.

One way exhaust valve on yirgacheffe

21 Jun 2018

The one-way exhaust valve tells you that Yirgacheffe is a small town located at an altitude of 700-21,000 meters.

One way degassing valve on guatemalan coffee

20 Jun 2018

The one way exhaust valve knows that Guatemala is tropical, has a tropical rainforest climate,and also conveniently located in all directions.

One way exhaust valve on Harald coffee

19 Jun 2018

The one way exhaust valve knows that the Harald Heights in eastern Ethiopia is one of the highest elevation areas for human coffee planting.

One way degassing valve on Indonesian coffee

18 Jun 2018

One way degassing valve knows the Asian coffee has a higher alcohol thickness than South America and African beans.

One way degassing valve talks about cat shit coffee

17 Jun 2018

One way degassing valve learned that the official name of cat poop coffee is Kopi Luwak and the Kopi Luwak producted in Indonesia.

One way valve on French coffee culture

16 Jun 2018

One way valves know that French people drink coffee slowly, savor it carefully, they think it is a kind of enjoyment.

One way exhaust valve talk about japanese coffee culture

15 Jun 2018

One way exhaust valve takes us to learn about Japanese coffee culture and history.

One way exhaust valves talk about the travel of coffee beans

14 Jun 2018

One way degassing valve tells us that the coffee we drink is from the roasting and grinding of the coffee fruit, but these are all from the coffee tree.

One way degassing valve on coffee history and culture

13 Jun 2018

One way degassing valve said that in 1615, it began to spread coffee culture from Europe to the whole territory.

Coffee degassing valves talk about coffee customs around the world

12 Jun 2018

Coffee degassing valve to understand the Nordic and continental coffee customs for brewing coffee without sediment, light and rounded.

One way degassing valve talks about arabs drinking coffee

11 Jun 2018

One way degassing valve knows the Arabs like drinking coffee ,like as Turkish coffee or Arabic coffee, small cup, rich in flavor, close to black in color.

One way degassing valve on the taste of coffee

10 Jun 2018

One way degassing valve says that if I am not at home, that I must be in coffee shop, but if I'm not in the cafe, I must be on my way to the cafe.

coffee valve for coffee bean

09 Jun 2018

Coffee valve siad the rulers of the holy land of Mecca believed that the party in the cafe threatened their authority, so forbidden to open cafe in 1511.

One way degassing valve talk about mocha pot

08 Jun 2018

Mocha pot is a traditional coffee appliance in Italy. Now,let the one way degassing valve introduce the mocha pot.

The collocation between aluminum foil bag and coffee degassing valve

07 Jun 2018

Wojin aluminum foil bag with one way degassing valve is the ideal storage for coffee beans and coffee powder.

How to store coffee beans and coffee powder

06 Jun 2018

Wojin one way degassing valve teaches you how to store coffee beans and coffee power.

The relation between one way degassing valve and package

05 Jun 2018

Wojin one way degassing valve tells us the relation between one way degassing valve and package.

One way degassing valve affects the coffee beans

04 Jun 2018

One way degassing how to affects the coffee beans and how to choose the quality of one way degassing valve.

One way degassing valve on American coffee

03 Jun 2018

One way degassing valve let us know that the American coffee was born after World War II.

one way degassing valve on coffee latte art

02 Jun 2018

One way degassing valve has learned that Latte art is hard to keep making because there are certain requirements for espresso cups and milk.

How to choose a suitable coffee packaging bag

01 Jun 2018

Coffee degassing valve siad how on earth do the customers choose the best one in all kinds of coffee packaging bag.

the application of one way degassing valve on plastic soft packaging

30 May 2018

When carrying or falling from height, the packaging bag filled with goods can be released through a one way degassing valve to reduce the air in the bag.

one way degassing valve on the origin of ice drop coffee said five vienna cafes

29 May 2018

One way degassing valve tells you, iced coffee originated in Europe. Since the coffee distiller was invented by the Dutch, it was called Dutch Coffee, espresso or dripping coffee

collision between fermented feed bag and one way degassing valve

28 May 2018

Wojin fermented feed bag has the features of high transparency, good toughness, difficulty in breakage and good heat-sealing effect.

the application of pasted degassing valve

27 May 2018

Pasted one degassing valve is a functional component, the valve plate of the one way degassing valve may be pushed open from the inside to outside to discharge the excess gas.

one way degassing valve go to the top of the industry

26 May 2018

one way degassing valve let us know how to combine the little plastic with coffee aluminum bag, kraftpaper bag and fermented feed bag.

relationtween Wojin fermented feed bag with one-way degassing valve and high efficiency respiratory membrane

25 May 2018

Wojin one-way degassing valve fermentation bag is made of PE composite PA, which has the characteristic of high transparency, good toughness, well heat-sealing effect and not easy to be broken.

troubles caused by one way degassing valve to packaging machinery enterprises

24 May 2018

One way degassing valve let us know the troubles caused by one way degassing valve to packaging machinery enterprises.

one way degassing valve on turkish coffee fortune telling

23 May 2018

one way degassing valve tells you,the that after drinking the very strong coffee, a thick and soft coffee residue will be found at the bottom of the cup.

one way degassing valve on coffee legend

22 May 2018

one way degassing valve has learned that the origin of coffee can date back to millions years ago.

one way degassing valve on south korea’s unique coffee culture

20 May 2018

one way degassing valve finds that the Korean love drinking coffee and there are many ubiquitous café shops along the wide streets and narrow lanes.

one way valve on the history of latte in coffee

19 May 2018

one way valve want to let us know in the air of Vienna, there is always the smell of music and latte coffee.

one way valve the legend of the pope and coffee

18 May 2018

one way degassing valve tells you in 1615 AD, coffee beans were imported to Europe by Venetian.

one way degassing valve on low cause coffee pusher

17 May 2018

one way degassing valve wants to say not everyone is fit to drink coffee.

one way degassing valve on the history of coffee in Laos

16 May 2018

The industry of coffee in Laos can date back to 100 years ago, one way valve tell you about the history of coffee in Laos.

one way valve on history of Barista

15 May 2018

the soul of the coffee is from the people who brew coffee, now one way valve tell you about the history of Barista.

one way degassing valve for fermented feed bag

14 May 2018

The importance of one way degassing valve for fermented feed bag,ensures that the environment is free from oxygen and contamination by miscellaneous bacteria.

advantage of the wojin one way degassing valve

13 May 2018

Wojin one way degassing valve has the same dimensions,no deformation,no burrs and no product defects,your first choice.

how to install the one way degassing valve

12 May 2018

to install the one way degassing valve on the packing bag, which need the special pressure valve machine.

stick one way degassing valve

11 May 2018

the difference between the stick one way degassing valve and the hot press one way degassing valve.

one way valve said preservation of coffee beans two

05 May 2018

One way degassing valve knows that people who love coffee,then how to preserve coffee beans has become a big problem for coffee lovers.

one way degassing valve said preservation of coffee beans one

04 May 2018

one way degassing valve knows that people who love coffee, they always keep several kinds of coffee bean at home.

one way valve said coffee making notes

03 May 2018

one way valve teaches you how to make coffee as like cooking.

one way valve said the cause of coffee turbid

02 May 2018

one way valve tells you, it seems when to start, more and more people go to the coffee shop to taste coffee, it has become theirs daily matters.

one way valve said meditation and coffee

01 May 2018

one way valve wants to share an article about meditation and coffee with everyone.

coffee valve said coffee tour

30 Apr 2018

coffee valve jun today with you to open coffee tour.