hello.

im from the philippines. i left the philippines with z visa or working visa single entry last february 15 , 2009. i`m a teacher here in china. my residence visa will expire on march 2, 2010. im going back to the philippines on december 2009 and be back on china feb 13, 2010. do i have to go to the chinese embassy in the philippines even my residence visa for china will expire march 2010?