Passenger ship company. According to Chongqing Passenger Ship Co., Ltd., Chongqing Passenger Ship Co., Ltd. was established in 1938. Chongqing Heavy Ship Group, which belongs to Chongqing Transportation Group, is the backbone enterprise of water passenger transport and two rivers tour in the city. It is a national intangible cultural heritage Chuanjiang Haozi inheritance and protection unit. Passenger ship companies are mainly engaged in two main businesses: water tourism passenger transport and port and dock services. It is a specialized enterprise with the earliest water passenger transport, the largest number of ships and the largest market share of the two rivers tour in Chongqing.