CCCC 1234 Bureau of Maritime Engineering, which is the best, which is the second and which is the worst? How about Guangzhou Waterway Bureau? I study port waterway and coastal engineering.

CCCC No.1 Waterway Bureau located in Tianjin is the largest general contractor for port waterway construction. No.2 Navigation Bureau is in Wuhan, No.3 Navigation Bureau is in Shanghai and No.4 Navigation Bureau is in Guangzhou. Similarly, the first, second, third and fourth aviation institutes are located in Tianjin, Wuhan, Shanghai and Guangzhou respectively. Among them, No.1 Navigation Bureau has the best benefit, and No.4 Navigation Institute has the best benefit. Guangzhou Waterway Bureau, Tianjin Waterway Bureau and Shanghai Waterway Bureau. It belongs to a dredging enterprise, with good benefits in previous years, but not in recent years.