1.What kinds of one way valve you produce?
There are many different kinds of one way valve from the market. They have PE or PP one way valve. Firstly, you must know clearly that, you need to buy PE or PP one way valve?
After you choose the PE or PP one way valve you must ask:
2.How many items of PE or PP one way valve you can offer?
The one way valve will have different size, material, shape, structure, open pressure, function…… When you are choosing the items of the one way valve, you also can know more details of their specification, material, or function.
3.How to install this one way valve into the flexible packaging?
If you are the first time to buy the one way valve, you must know how to install the one way valve into your packaging.
If you know the one way valve must be installed by the valve applicator machine(air valve sealing machine), you also must ask more information about the valve machine.
4.Are my products really need to use this one way valve?
Before you decide to buy the one way valve, you must understand: Whether your production really need to use this one way valve?
As usual, this one way valve is using for below industry: Coffee, Roasted products, Sauerkraut, Feed Food, Fermented products……
After you confirm your products are necessary to use the one way valve, you can know more this small air valves function.
5.Do your one way valve can meet the food certification or ROHS certification?
As usual, this small one way air valve will use for the food industry, such like: coffee, sauerkraut, nuts…… So you must check whether the one way valve supplier can offer you the food certification or ROHS certification for their products?
The one way valve must contact with the coffee or nuts, It's about the hygiene of your product. COLOR SUNS choose the food certification material to produce the one way valve, and our one way valve also have the ROHS certification, which can contact with the foods and ensure the hygiene of your foods which contact COLOR SUNS ONE WAY VALVE.
6.What is the lead time or delivery time for the one way valve?
Before you order the one way valve, you must know more about the delivery time or lead time from the supplier who produced the valves to you.
Because after you receive the one way valve, you must installed the valves into the packaging before you offer them to your customer, you must calculate the time you need to spend.
COLOR SUNS one way valve can offer you only 1 day for the lead time, because Color Suns mainly produce the one way valve and valve machine in China, we have enough stock to supply to our customer to ensure their delivery time for their customers.
Welcome to know more detail information about the one way air valve:
https://colorsuns.com/products/coffeevalve/
You also can know more function of our valve sealing machine:
https://colorsuns.com/products/semi-automatic-coffee-valve-applicator-machine/
To get more discount, you can email us:
