Feb., 24 PRNewswire / AsiaNet INDEX LAUNCH... BEIJING: Xinhua Financial Network, China's premier financial services and media company and Lehman Brothers, the global investment bank and the world's leading provider of bond indices, Tuesday announced the launch of the Xinhua Lehman China Aggregate Index. www.lehman.com www.xinhuafinance.com UHF RADIO... SINGAPORE: Harris Corporation, a leading supplier of secure, tactical radios for worldwide defense forces, Tuesday announced the availability of