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recently, the reporter learned at the 2024 state-owned enterprise open day of china shipbuilding group that the construction of the domestically produced 35,000 cubic giant trailing suction hopper dredger has made phased progress: in terms of design, about 60% of the work has been completed; in terms of construction, some sections have been completed, and it is expected to be completed and delivered in the first half of 2026. the ship will become the largest trailing suction hopper dredger in asia. the ship was invested by china communications construction group co., ltd., developed and designed by the 708th institute of china shipbuilding group co., ltd. (hereinafter referred to as "708th institute"), and officially started construction by shanghai zhenhua heavy industries qidong offshore engineering co., ltd. in january this year.

according to the design, the ship is about 195 meters in total length, 38.5 meters in width, 18.0 meters in depth, 13 meters in dredging draft, with a maximum mud tank capacity of about 35,000 cubic meters and a maximum dredging depth of 120 meters. the ship adopts a bulbous bow, double tail fin ship type and an advanced "one-to-two" compound drive mode, equipped with double-duct propellers, double rakes, double underwater pumps and cabin pumps, and has mud door unloading, single and double pump bow blowing and double bow spray shore discharge and other operating functions, as well as an advanced intelligent dredging control system. the ship also reserves the function of using methanol fuel.

the construction of the giant trailing suction dredger is of great significance. it is not only a breakthrough in an engineering project, but also the intersection of technology and dreams. it carries huge technical challenges and market opportunities, and also represents china's competitiveness on the international stage.

** huge demand and technological breakthroughs: **

the construction of the giant trailing suction hopper dredger reflects china's huge potential in the field of infrastructure construction. as the domestic economic strength continues to grow, large-scale engineering projects are becoming more frequent, and the demand for dredging equipment is growing. from the yangtze river estuary to the pearl river estuary, from coastal ports to deep-water rivers, powerful forces are needed to promote the development of modern society. the giant trailing suction hopper dredger is the "hard power" to meet this demand. it is not only a new breakthrough in the field of technology, but also a symbol of china's competitiveness on the international stage.

** challenges and opportunities: **

building a giant trailing suction hopper dredger is a complex engineering project that requires overcoming many technical and engineering challenges. for example, the research and development and manufacturing of key marine equipment such as the power system, electric drive system, and 5,000-kilowatt underwater motors are huge challenges. at the same time, the giant trailing suction hopper dredger is also facing the pressure of market competition. however, these challenges and opportunities are also important driving forces for china's competitiveness on the international stage.

** history and outlook: **

the 708th institute has been involved in the field of dredging equipment development and design since the 1990s. it has successfully developed and delivered more than 40 large, medium and small hopper dredgers, realizing the leap from importing whole ships to independent research and development of large, medium and small hopper dredgers in my country. the construction of giant hopper dredgers indicates that china's technical strength in the field of dredging equipment is constantly improving, and also brings greater guarantee for china's competitiveness on the international stage.