{{redirect, Vertex Group, any of certain subsets of a groupoid, Groupoid#Vertex_groups National Arts Holdings (国艺控股有限公司) (HKSE Stock Code: 8228) is the name, as of May 2010 for the company previously known as Vertex Group. The company now concentrates on film production and media. National Arts Holdings subsidiaries include Network Engineering Limited, Vertex Systems Services Limited, VCTG Technology Limited, Great Wall Telecommunications Group Ltd., Vertex Media Ltd. and Vertex Digital Media Limited. Vertex Media publishes the Chinese editions of '' Newsweek'', '' ESPN Magazine'' and '' Technology Review'' in China.

Former Vertex subsidiaries

Vertex Group (慧峰集團有限公司) formerly held energy interests: * Sino Bell Energy - a wholly owned subsidiary sourcing coal for China's power producers, from Banjarmasin, Indonesia and elsewhere. * China Hong Kong Power Development Company Limited - 15% of a joint-venture company with China Power International Holding Limited (part of CPI Group) 50%, and

China Southern Power Grid Company China Southern Power Grid Company Limited (CSG; ) is one of the two Chinese state-owned enterprises established in 2002 according to the precept to reform the power system promulgated by the State Council, the other being State Grid Corporatio ...

35%.

External links

National Arts Holdings
�� Companies listed on the Hong Kong Stock Exchange