The Chinese duo Luo Yutong/Wang Hao and the Russian pair Yulia Koltunova/Ilya Zakharov finished second and third, totalling 442.60 and 422.90 points, respectively.
The 2010 edition of the FINA Diving World Cup has attracted 146 divers from 33 countries.
China's Olympic champions Wu Minxia, Chen Ruolin, He Chong and Qin Kai as well as Russian legend Dmitry Sautin, Australia's Olympic gold medallist Matthew Mitcham, Canadian icon Alexandre Despatie and Mexican "queen" Paola Espinosa all compete in the event, while Britain's teen star Thomas Daley is absent.
The World Cup features nine events: mixed-gender team, men's and women's individual and synchro 3m springboard and men's and women's individual and synchro 10m platform.
The heats for the four synchro events will start on June 2, 2010.