i am emmanuel from african nigerian ,and i am living in china married with chinese girl very pretty,does china have permernet holder here like id card or long stay in china ?,but now am still have F visa 3months 02 entry ,can i change it L VISA AS MARRIAGE LIKE 5YRS IN CHINA EVERY 5 YRS RENEW ,PLS REPLY,yahoo.com|oec2002ng and pls this visa 3months 02 entry travel how many times to any country and come in to china how many times?