If you are foreigners who want to find opportunity in China, you should have a look:)
Click the link and find out how you will be changed:)
http://www.e-putonghua.com/en/pages/material
I want to share with you an online Mandarin learning platform .It is convenient and I learn Mandarin in Skype with a private teacher. He is so nice to me and not only teach me how to pronounce a word but also give me some role play practice so I can use what I learnt at once.