I work for the most disgusting, abusive school in all of China and all the world. This is part of a response from a support staff member to me just now. your friend Kelvin sane this today:
空中口语吧kelvin乐语互动 19:00:06
you are shit fucking shit
空中口语吧kelvin乐语互动 19:00:18
you are a teacher teaching my ass
空中口语吧kelvin乐语互动 19:00:26
kiss your mother ass
空中口语吧kelvin乐语互动 19:03:53
your mother teach you how to say fuck!!! yes

This company is based in Beijing. The guys English name is Kelvin. He was educated in the UK and is Chinese. I have never seen such abusive and foul language. Be warned, all. Be warned. Behind the sches things like this are lurking.
Company name starts with S, ends with R.