For any visa application you necessarly have to follow the step below:
1st step :
You need to pre-register on Expobiogaz website :
2nd step :
You have to fill up the following document:
3rd step :
Thank you for sending us back the visa request to the following address:
You will receive afterward your invitation letter for the EXPOBIOGAZ 2017 exhibition.
We remind you that every step must be completed in order to receive your invitation letter as soon as possible.