What is the relationship between CCCC No.1 Navigation Bureau and Tianjin Waterway Bureau?

They are all subsidiaries of China Communications Construction Group. According to Aiqi's inquiry, CCCC No.1 Port Engineering Bureau Co., Ltd. (hereinafter referred to as CCCC No.1 Port Engineering Bureau) is a global top 500 enterprise directly under the central government and a wholly-owned subsidiary of China Communications Construction Co., Ltd., which was established in1945165438+10. It is the first port construction team in New China and is known as "Port Construction". CCCC Tianjin Waterway Bureau Co., Ltd. (hereinafter referred to as Tianjin Waterway Bureau) is the first professional dredging institution in China, developed from Haihe Engineering Bureau established by 1897, and is also a wholly-owned subsidiary of China Communications Construction Corporation. CCCC First Waterway Bureau and Tianjin Waterway Bureau are both subsidiaries of China Communications Construction Group.