Magn Media Group Limited. Transaction Overview Location Shenzhen, China Sector Outdoor Media Company Website http://www.magnmedia.com/   Magn is an outdoor media company located in Shenzhen, China. It now operates the billboard resources on public buses running on prime routes in Beijing, Shanghai, Shenzhen and Guangzhou (BSSG) and other 1st tier and 2nd tier cities. © Copyright 2007 Centurion Investment Management All Rights Reserved.