--FILE--Cheung Yan (Zhang Yin), Chairwoman of Nine Dragons Paper (Holdings) Ltd. and Nine Dragons Paper Industries Co., Ltd., is seen during an interview in Beijing, China, 10 March 2011. This years richest Chinese women are all property princesses, with four of the top five having amassed their fortunes in land, according to the annual rankings from Shanghai-based wealth research and consulting firm Hurun. Wu Yajun, co-founder of Longfor Properties Co., Ltd., has not only became Chinas wealthiest female, but also the worlds, holding an estimated 420 billion yuan (US$6.6 billion) in assets, according to Hurun. Youngest on the list is 30-year-old real estate heiress Yang Huiyan who was listed second place with wealth of 36 billion yuan (US$5.6 billion). Chen Lihua (Chan Laiwa) of Fu Wah International owns 33 billion yuan (US$5.1 billion), which puts her on the third. Cheung Yan (Zhang Yin) of Nine Dragons Paper and Zhang Xin of Soho China follow with wealth of 28 billion yuan (US$4.4 billion) and 21 billion yuan (US$3.3 billion).