How to check the authenticity of Cofimax

Cofome mask authenticity can be seen from the code, security code, bar code or dealer qualifications and so on, in addition to the price is also a very obvious criterion for judgment, as long as there are these can be seen to be true or false, the best way is to call the phone security code to check the authenticity.

1, look at the code: the genuine can be restored to the United States behind the mask has a very clear production batch number, fake goods will be because of the production equipment process problems usually blurred.

2, look at the telephone security code: the genuine telephone security code is also printed on the back, very clear, you can check the authenticity of the phone, counterfeiters will also copy the genuine security code printed on the top of the fake products, consumers should pay attention to the query times, if you query the prompt has been queried that is fake.

3, the operator qualification: when buying need to recognize whether the seller has the qualification of operating medical devices, class I, class II.

4, scanning the bar code: scanning the bar code will appear to buy channels. It is generally recommended to buy through regular pharmacies and Tmall, or Jingdong authorized stores and other formal channels.