About the certificate in teaching Chinese

Recently I found a lot of banners on the websites in China, promoting their trainning courses for obtaining a certificate in teaching Chinese as a foreign language. But these certificates are obviously given by different organizations.

In case of teaching English, I know of the TEFL, a highly recognized qualification. So what about teaching Chinese ?

If you are learning Chinese, what kind of certificate of teaching Chinese have you heard? I mean widely accepted in your country?

If you are a chinese native speaker, have you ever heard of any certificate about it? and what do you think of it?