Buyers bid for a blue-and-white vase of ancient China's Ming Dynasty (1368-1644) in Hong Kong, south China, Oct. 5, 2011. The vase fetched 168.66 million Hong Kong dollars, setting a new record at auction for porcelain from the Ming Dynasty. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

The picture taken on Oct. 5, 2011 shows a blue-and-white vase of ancient China's Ming Dynasty (1368-1644) in Hong Kong, south China. The vase fetched 168.66 million Hong Kong dollars, setting a new record at auction for porcelain from Ming Dynasty. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

Buyers bid for a large famille-rose porcelain plate of ancient China's Qing Dynasty (1644-1911) in Hong Kong, south China, Oct. 5, 2011. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

The picture taken on Oct. 5, 2011 shows a large famille-rose porcelain plate of ancient China's Qing Dynasty (1644-1911) in Hong Kong, south China. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

Buyers bid for a famille-rose vase of ancient China's Qing Dynasty (1644-1911) (hammered at 90.26 million Hong Kong dollars), in Hong Kong, south China, Oct. 5, 2011. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

The picture taken on Oct. 5, 2011 shows a famille-rose vase of ancient China's Qing Dynasty (1644-1911) (hammered at 90.26 million Hong Kong dollars), in Hong Kong, south China. The Sotheby's auction was held in Hong Kong Convention and Exhibition Center on Wednesday. The total business volume for 32 artworks was 560 million Hong Kong dollars. (Xinhua/Song Zhenping)

The picture taken on Oct. 4, 2011 shows the painting "Self Portrait in The Yellow Mountains" by Zhang Daqian in 1961, in Hong Kong, south China. The painting was hammered at 46.6 million Hong Kong dollars in Sotheby's Hong Kong Fine Chinese Paintings Autumn Sale 2011 on Tuesday. Sotheby's presented 364 artworks, among which the works of Wu Guanzhong, Fu Baoshi and Xu Beihong topped at the first 10 on business volume. The total business volume reached 738 million Hong Kong dollars. (Xinhua/Song Zhenping)