I need to go to China to apply a student visa to an European country, what type of China visa should I apply?

I am a Bangladeshi citizen have applied as a student in an European country.After getting necessary papers from the university i have to submit my documents for visa of that countries embassy and china is the neighboring country where the embassy is situated so i have to applied for Chinese visa first.My question is what's type of visa should i apply for china and what's the additional documents i have to attache with the Chinese visa application form? if i have to applied for a tourist visa do i need a invitation letter from China? Waiting for your response.

Thanks