(Telecompaper) China Unicom will introduce its 4G services on 18 March, following rivals China Telecom and China Mobile. Unicom's TD-LTE services will initially launch in 25 cities across China and will expanded to 100 cities by the end of this year, the Shanghai Daily reports. The operator, which has earmarked CNY 10 billion for 4G investments this year, further plans to launch FDD-LTE services after the government issues licences for the standard.