- 2021
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Construction on Sanya Oriental Sun City's Mountain & River Court started.
- 2019
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Phase Two of Gentle Hill project (Anji, Zhejiang) was completed and in use.
- 2017
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Sanya Oriental Sun City obtained land use rights for construction.
- 2016
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Phase One of Gentle Hill project (Anji, Zhejiang) was completed and in use.
- 2015
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Grand opening of JW Marriott Hotel Zhejiang Anji.
Shenzhen Shenxin Taifeng Group Co., Ltd. accomplished Private Placement.
Digital China taken public through back-door listing.
- 2013
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Grand opening of Shanghai Marriott Hotel Pudong East.
Grand opening of Zhejiang Anji Phoenix International Golf Course.
- 2012
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Phase One of Xuanfu City One (Xuanhua, Hebei) was completed and in use.
- 2011
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Grand openings of Sheraton Sanya Haitang Bay Resort and JW Marriott Sanya Haitang Bay Resort & Spa.
- 2010
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Phase Three (Qinhu Bay) of Oriental Sun City was completed and in use.
Construction of Phase one of Xuanfu City One started.
Construction of hotel and country club project in Anji, Zhejiang started.
- 2009
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Construction of Sheraton Sanya Haitang Bay Resort and JW Marriott Sanya Haitang Bay Resort & Spa started.
- 2008
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China Sigma acquired Shenzhen Shenxin Taifeng Group Co., Ltd.
- 2007
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Land use rights obtained for construction of Haitang Bay hotels in Sanya.
Land use rights obtained for construction of Xuanfu City One (Xuanhua, Hebei)
China Sigma acquired Shanghai Hengchang Industrial Co., Ltd. and Shanghai Hubei building project.
- 2006
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Phase Three of Beijing Oriental Sun City began with acquisition of land use rights.
- 2004
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Phase Two of Beijing Oriental Sun City was put into use after Wanqing Garden and Fuchun Garden were completed.
- 2003
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Phase One of Beijing Oriental Sun City was put into use after Minghu park was completed.
- 2002
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Beijing Willow Golf Club opened.
Construction of Beijing Oriental Sun City started.
- 1999
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Beijing Jiuzhou Shengshi Culture Media Co., Ltd. was established and "Golf" magazine was launched.
- 1998
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Construction of the Beijing Sigma Building Was completed and ready for occupancy. China Sigma moved their offices into the building. Other tenants were leading global companies such as Microsoft, Lenovo and HP.
- 1997
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Beijing Sigma Apartments was completed and ready for occupancy.
- 1995
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Phase One of the Beijing Country Club Villas was completed and ready for occupancy.
Construction of Beijing Sigma Center commences on Zhichun Road (Zhongguancun, Beijing).
- 1994
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The company was officially renamed China Sigma Co., Ltd. with the approval of the State Administration for Industry & Commerce.
- 1993
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The company reorganized significantly and reformed the shareholding structure. July 23rd was set as the company' s formation date.
- 1986
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China Sigma Photoelectronic Co., Ltd., predecessor of China Sigma and a wholly-owned subsidiary of Chinese Academy of Sciences, was founded.
