I am residing in Dammam, Saudi Arabia. I would like to apply for chinese business visit visa.

I have Invitation from Chinese company, my employment letter from my employer in Saudi Arabia attested by Chamber of Commerce in Saudi Arabia, My passport copy with Original, My Saudi Residential Permit, 2 photos 33x48mm with white background, completely filled Form V.2012A. We would like to rush for 1 working day for the Visa. Kindly confirm if i require any further document/s. What is your working time and days in Bahrain?