hello sir ,i am a medical gruaduate student studied 5 yrs MBBS in china and came back home last year,now i am in very need of some documents for registration in bangladesh so that i can work in bangladesh which is very important for me ,now for getting these documents i need to go there in china very urgently in this regard wth all my original graduation certificates and all these as my registration is held up for want of these documents ,and this is my personal issue need to do by myself and in the meanwhile one chinese close brother of mine is there to sponser me will bear my living and fooding expense during my these many days stay in china until my documents get done so in this regard what documents need to put forward for getting the visa ,and what will be type of the visa for me as my registration in bangladesh as a doctor is held up for want of these documents ,please provide me with specific information .thanks