Necklaces are seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

A jade buddha is seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

A jade bracelet is seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

A 3000-year-old jade object is seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

A jade sculpture of Maitreya Buddha is seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

A salesperson shows a cystal bull at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

Tin objects for house decoration made in Malaysia are seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries. (Xinhua/Zhang Ailin)

Jewelries are seen at a jewelry exhibition in the 7th China-ASEAN Expo in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Oct. 22, 2010. 444www.Chinakindnesstour.com

The ongoing exhibition present different kinds of jewelry products such as sculptures, necklaces, bracelets and so on, all of which are made in China and ASEAN countries.444www.Chinakindnesstour.com