For business visa- If I am a partner of my own company, what details should I give

I think you mean the documents for a business application, you need to provide one completed visa application form, one recent passport sized photo, your original passport, an invitation letter from your Chinese partner, cooperator or invitor, and an confirmation of invitation from a authorized Chinese unit such as the local foreign affairs office if your Chinese partner, cooperator or invitor is not capable to issue an effective invitation for you.