![](http://www.hangfaioptical.com/wp-content/uploads/2019/02/FDA-800x400.png)
FDA stands for the Food and Drug Administration, a government agency responsible for the safety of products being sold or manufactured in the United States.
![](http://www.hangfaioptical.com/wp-content/uploads/2019/02/ce-800x400.jpg)
CE marking proves that our products have been assessed and achieve EU safety requirements. We can provide you with all the supporting documentation concerning CE marking.
![](http://www.hangfaioptical.com/wp-content/uploads/2019/02/ISO-800x400.png)
ISO International Standards ensure our products and services are safe, reliable and of good quality.
![](http://www.hangfaioptical.com/wp-content/uploads/2019/02/chinese-business-license-800x400.jpg)
China Business Licence shows that we are a legitimate business and ensure we are a manufacturer which are well registered.
![](http://www.hangfaioptical.com/wp-content/uploads/2019/02/RUSSIA-MEDICAL-DEVICE-REGISTRATION-800x400.png)
Device registration ensures the tested device with verified safety and efficacy.