Can i obtain a residents in Guangzhou, Foshan or Yuncheng

I have lived in china for 7 years. Married for 5 years to a chinese citizen from Yuncheng in shanxi province and we have a son he is chinese already, but we bought a house in Foshan near Guangzhou city and l have a trading company in Guangzhou were l work every day. My question is , where do i apply for my permanent resident? IM A CAMEROONIAN , CAN THEY GRANT ME THIS RESIDENT.