Hello asking about visa for china

Hello I'm an egyptian film director and I'm actually spending my vacation in HK also we wanted to go to guangzhou to do some shopping . My wife has a valid one but mine is expired . Can I get one on the spot on arrival? I have 3 or 4 previous Chinese ones on my passport can i apply in Hong Kong ? I can pay express to get it within 1 or 2 days thanks a lot please get back to me quickly