It is not free. According to Aiqi's investigation, the new police training center of Changjiang Shipping Public Security Bureau has a canteen, with an average meal 10 yuan. The Yangtze River Shipping Public Security Bureau is a national public security organ stationed in the Yangtze River port and shipping, and is an integral part of the national public security organ. It belongs to the Public Security Bureau of the Ministry of Communications, namely the Ministry of Public Security 14 Bureau. On February 2 1, 1953, the Yangtze River Navigation Department of the Ministry of Communications of the Central People's Government was established.