The pumps power station is the power supply for hydraulic split system of a hopper barge, with pumps, hydraulic system, cylinders which drive the bodies split for discharging dredging materials

Amid global energy transition, demand for stone dumping vessels is booming, with a 3–5 vessel annual shortage in Europe’s North Sea (2026–2030). China’s industry boasts advanced localization, DP2/DP3 technology, and cost-delivery advantages for overseas expansion. Facing limited deep-water experience, component imports and environmental constraints, Chinese shipyards can develop North Sea-adapted vessels, upgrade technology and strengthen global competitiveness.

SEWOPs (Self-Elevating Workover Platforms), also known as lift boats, provide a stable, wave-free environment for precise offshore drilling, maintenance, and construction. By elevating above the water, they ensure safety and cost-efficiency. Complement your fleet with Yanyang Marine’s robust Jack-Up Barges for comprehensive offshore engineering support.

Yanyang Engineering has successfully completed a critical dredging package for Phase V of a major port expansion. Leveraging an integrated “grab-first, suction-follow” approach, innovative “tidal-window + zoned layered excavation” techniques, and strict environmental protocols, the team efficiently dredged approximately 0.45 million cubic meters in challenging coastal conditions

biggest piling barge, pile driving vessels , what size Piling barges or pile driving vessels Yanyang Marine supply

This article outlines class certificates and notations for dredgers, split hopper barges, pile-driving vessels, and floating cranes, etc. It also details the registration procedures for these dredging and construction vessels across various international jurisdictions

CSD Composition and Working Principle,Key Features of CSDs

International clients can rarely charter Chinese dredgers for overseas projects. Major Chinese state-owned dredging companies adopt an EPC+self-execution model and do not charter vessels. Private owners focus on domestic projects and lack international operational capacity. Most Chinese dredgers are dual-use items requiring difficult export licenses, and international dredging involves complex compliance challenges. Practical alternatives: cooperate with Chinese SOEs as EPC contractors, purchase new dredgers from Chinese shipyards such as Yanyang Marine, or engage local international dredging contractors. Direct charter from China is unfeasible; EPC cooperation and vessel purchase are reliable solutions.

This article provides a detailed guide on purchasing a dredger from China. It covers how to find the vessel that best suits your project needs, how to budget correctly, and how to avoid common pitfalls

The World's Largest Grab DredgerThe "Jin Guang" is currently the largest non-self-propelled grab dredger in China and the world.Key SpecificationsVessel Type: Non-self-propelled Grab DredgerOwner/Operator: CCCC Guangzhou Dredging Co., Ltd. (CCCGD), a subsidiary of China Communications...

A:  --  Cutter Suction Dredgers, Solid production from 80m3/h to 8000m3/h--  Trailing Suction Hopper Dredegrs, Hopper capacity from 1100m3 to max 26800m3.--  Split Hopper Barges, hopper capacity from 800m3 to 3200m3--  Clamshell Grab Dredgers, Clamshell grab capacity from 13...

A: --   Export Sources: Private vs. State-Owned"Generally, dredgers available for export from China are primarily from private fleets. Vessels from State-Owned Enterprises (SOEs) involve complex state asset disposal procedures and stringent compliance requirements, resulting in very f...

When buying dredging vessels from China, key rules and risks apply. State-owned fleets do not export vessels; buyers should target private owners. Most private vessel owners are engineering firms, not foreign-trade enterprises, and cannot handle direct export procedures. Buyers must check for long-idle, poorly maintained vessels that may fail to operate. Dredgers are highly specialized and differ greatly from standard ships. Buyers should only work with dredging-industry specialists and professional brokers.

International payment terms when buy a dredger, standard payment terms when buy a second hand dredging vessel, offshore vessel

The world’s largest TSHDs are led by Jan De Nul’s Cristóbal Colón & Leiv Eiriksson (46,000 m³, tied 1st). Van Oord’s HAM 318 (39,467 m³) ranks 3rd after a major lengthening in China. China’s CCCC Tong Jun & Jun Guang (38,168 / ~35,000 m³) are tied 4th, Asia’s largest and the world’s first intelligent-class dredgers. The list continues with Queen of the Netherlands and other European/Chinese mega-dredgers, representing global maritime strategic infrastructure.

Dredging vessels typically include cutter suction dredgers, trailing suction hopper dredgers, grab dredgers, backhoe dredgers, split hopper barges, etc. Selecting the appropriate dredging vessel based on different dredging projects, dredging depth, type of material to be dredged, discharge distance, and project scale is the primary task in formulating a dredging implementation plan.

Although small CSDs ( Cutter Suction Dredgers) are often described by their pipeline diameter, this measurement alone does not accurately reflect the vessel's overall specifications. Even with identical pipe diameters, there can be significant differences in output and main engine power. Nevertheless, the comparison table below should give you a rough idea of the correlation between pipeline diameter and production capacity.

This article provides a detailed overview of the export compliance process for dredging vessels—including various types of dredgers, split-hull mud barges, and self-unloading sand barges (3-in-1 dredger/unloading sand barge, suction sand barge)—as well as the relevant legal framework, such as the Export Control Law, Import and Export Control Regulations, and announcements issued by the Ministry of Commerce and the General Administration of Customs.