Dear all,

I need your info.. Currently I have visa type F which is will be expired next 4th feb 2010 and it is double entry., I have used it once to india. and now.. i still have one more chance to travel before it was expired. So, i still could go to HOngkong on 29th january and return to shanghai on 31st January 2010 right ? and i heard that if i leave shanghai from hongkong, my visa willbe automatically extended into 3 more months.. is it true or not?
please let me know.. i really need your help..

thanks.