According to Xinhua on April 24, 2012, officials from China Telecom Corporation, China Mobile Communications Corporation, China United Network Communications Group Co., Ltd. and other telecom companies separately issued a statement regarding taking effective measures to resolutely curb “rumors” spread on the Internet and create a “civilized and healthy Internet space”.
Source: Xinhua, April 24, 2012
http://news.xinhuanet.com/politics/2012-04/24/c_111836250.htm