Choi Ho-sung picked up four strokes to take the lead after Friday’s second round of the Volvo China Open.  Ho-sung made six birdies on his way to shooting 68 for the round, taking him to -6 through 2 rounds.  Thursday’s round 1 leader, Markus Brier, shot a 73, with 3 bogeys and sits at -4 after Friday’s round.

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