He's just the third to play the tournament, after Liang Wen Chong in 2008 and Lian Wei Zhang in 2004.

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Zhang Wei, who helped to set up teambuy less than six months ago, says the site has 10, 000 registered members.

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"When you wake up, it feels like you are on the sea, " said Zhang Wei, a Guangzhou-based curator who was an overnight guest on a recent trip.

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The first phase of the partnership was to put together bids to supply aircraft components manufactured in China, said Zhang Wei, executive director of the supply-chain management and procurement division of AVIC International Holdings.

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He is one ahead of two-time winner Miguel Angel Jimenez of Spain, China's Zhang Lian-wei and Swede Fredrik Andersson Hed, the top four all 40 years of age or older.

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Zhang and Yang Wei won 7-15 15-4 15-8 but China were denied a medal sweep by Ra Kyung-min and Lee Kyung-won of South Korea, who beat China's Zhao Tingting and Wei Yili 10-15 15-9 15-7 in the bronze medal match.

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Zhang Jiewin and Yang wei, the top seeds, overcame Huang Sui and Gao Ling in an all-Chinese women's doubles final.

CNN: Britain, U.S. share sailing medals