No matter how beginner you are, you will be astonished when you bring all the Echo views in the first time you handle the prob,then you will realise that Echo is not as difficult as you imagined !

• please visit our website https://sonopro.org/
• please Join our facebook group https://www.facebook.com/groups/sonopro1000/
• please Like Our facebook page https://www.facebook.com/SonoPro.training
• Schedule of the next week courses https://sonopro.org/index.php/our-schedule/