My sis and I will go to Shanghai on Oct. Will I get denied for a visa if I have no job ?

My sister and I will go to Shanghai next month. She is in Dubai now and she'll come to Phils next month so we will go together coming from Manila and I am in Phils. She said we should apply for a visa separately( I to Manila and she from Dubai) We already have tickets and invitation letter as two persons. My sister has a job in Dubai and and she will shoulder all our 3 day vacation. Is it possible I will get denied? My passport's last stamp was June 2011 after i finished my contract in Dubai.