visa application for 60 days, is it possible?

Hi,i am a filipina married to a chinese man who is living here in the Philippines. Once a year we are going to china to visit and spend time with my husband's family..This april,we are planning to visit them.Me and my son are philippine passport holders....is it possible that your good office can issue us a 60day visa? We are planning to stay there from april 10 2013 to may 25, 2013. Thank you very much.