72 hours visa free policy

Thank you James. Last port of our cruise is Tianjin arrive at 06.00 on 26th April 2018 and we are staying in Beijing for two nights i e 26th and 27th April 2018 and fly back to UK via Dubai at 00.40 on 29th April 2018.
Just to confirm that we qualify for 72 hours and can use visa free policy. Regards