144 free entry visa

Dear,

I have italian passport and my flight will be form Phnom Penh (Cambodia) to Shanghai. Is not a direct flight but there is a stop of 1,5 hours at Xiamen airport, I will not go out of the airport at Xiamen.
After 5 days i will have flight to Italy.

Am I alegible for the 144 free entry?

Thanks for your support.
Best Regards,
Matteo Valsecchi