Hanoi-Shanghai-Hong Kong-Hanoi / 144 hour visa free transit?

Hi There,
I am from France currently traveling in Vietnam and plan a short trip to Shanghai with following itinerary;
flight Hanoi-Shanghai (3 day stay in Shanghai)
return to Hanoi with a connection fligh in Hong Kong (Shanghai-Hong Kong-Hanoi)
Will I benefit from the 144 hour visa free transit in Shanghai?
Many thanks - Franck