Fujian's players were unable to break the tight blocks from Wang Yizhu, the youngest player of Tianjin who grabbed nine points in the second set.
The Nerazzurri made a dream start just 28 seconds into the game, as Romelu Lukaku broke the deadlock from Achraf Hakimi's assist.
His unexpected exit at the US Open didn't affect Djokovic's subsequent performance, as the 33-year-old clinched his 36th Masters title in Rome on Monday, defeating old rival Rafael Nadal.
AC Milan continued their good form as they won 2-0 away to Crotone, Franck Kessie's penalty put the Rossoneri in charge in the first half, while new arrival Brahim Diaz sealed matters after the break.
The top 16 world-ranked male and top 16 world-ranked female players will fight for glory at the ITTF Finals, with a cap of four players for each association.
Paco Alcacer put Villarreal ahead after 12 minutes and although Edgar Mendez took advantage of a bad mistake from home keeper Sergio Asenjo 10 minutes before half-time, Gerard Moreno's VAR-assisted penalty allowed Villarreal to retake the lead on the stroke of half-time.
The three-day festival, that features horse racing, camel racing, archery, Mongolian wrestling and other events, attracted hundreds of participants from around the region.
"The plan was to put Neymar close to Mbappe. We chose an offensive structure. We tried something and I have a lot of confidence in my team," Tuchel said after the match.
Ji Xinjie from Shandong secured the gold in the men's 400m freestyle in 3:48.87, with Hubei's Zhang Ziyang and Ji's teammate Hu Jia rounding out the top three.
The defender was then shown a direct red card in the 67th minute on the instruction of VAR for bringing down Luka Jovic when the striker looked to be through on goal.
Zhang wants to improve her time further in 200m butterfly after the championships.