Japan remained unbeaten on the third day of play in the FIVB World Grand Prix Finals with a straight sets (25-21, 25-17, 25-21) victory over China at Ariake Colosseum on Friday night

The tandem of Saori Kimura and Miyu Nagaoka led the charge for Japan with 16 points each in the win.

Yuki Ishii chipped in with 11 points in Japan's third straight triumph in the competition.