Do I need transit visa?

I'm flying back to Poland via Beijing &Moscow on jan 5 with 11hrs layover in Beijing.do I need transit visa?

I am Filipino and currently on a short term 6month assignment in Poland. I am currently in Sydney for holidays and will be stopping by the Philippines for 2days before I catch my plane back to Poland to continue my assigment. ill be flying via china southern airlines (Manila-Beijing) and Aeroflot (Beijing-Moscow & Moscow -krakow, Poland ). Pls help! Thank you