For getting business visa what type of documements sould we submit along with visa application form

You need one Original invitation or confirmation letter (used to be called Visa Notice) from an authorized government organization like the local foreign affairs office or etc. in China; and an Invitation letter from your inviting Chinese organization. Sometimes, you may be required A recommendation letter from your local Chamber of Commerce & Industry or your company Registration Certificate (photocopy); A supporting letter from your organization; Your tax certificate (photocopy); or your bank statement (personal or company) if visa officers deem necessary.