Mangalia Shipyard
A large Romanian shipyard in Mangalia specializing in new ship construction, ship repair, and maritime industrial services.
Last updated August 24, 2026
Overview
Mangalia Shipyard is a major shipbuilding and ship-repair facility located in Mangalia on Romania’s Black Sea coast, approximately 45 kilometres south of the Port of Constanța. The facility is one of Romania’s most substantial maritime industrial sites and has served both European and international shipowners. Its activities include the construction of large commercial vessels, ship repair, conversion-related work, and the use of extensive dry-dock, berth, lifting, and fabrication infrastructure. The modern corporate history of the shipyard dates to 1997, when Daewoo-Mangalia Heavy Industries, commonly abbreviated as DMHI, was established as a joint venture between South Korean shipbuilder Daewoo Shipbuilding & Marine Engineering and Romania’s 2 Mai Shipyard in Mangalia. Under the Daewoo era, the facility expanded its role in international commercial shipbuilding. It produced more than 127 new ships and repaired approximately 300 vessels, according to the referenced account of the yard’s operations. Its customer base included European shipping companies and major global liner or logistics groups. The yard delivered a range of large commercial vessels. Examples include two 42,500-deadweight-ton tankers delivered in 2002 for the Norwegian company Kleven Floro for orange-juice transportation. It also secured substantial container-ship and tugboat work from Hamburg Süd and participated in an agreement involving Mediterranean Shipping Company, NSB Niederelbe, Gebab, and Conti Reederei for the construction of twelve container ships of approximately 5,000 TEU each. These contracts illustrate the yard’s historic emphasis on high-capacity merchant vessels rather than only small coastal craft. A significant infrastructure milestone came in 2008, when the shipyard acquired a very large gantry crane formerly located at General Dynamics’ facility in Quincy, Massachusetts. Known as the Goliath Crane, the structure was built in 1975 and has a reported height of 100 metres, a span of 126 metres, a weight of approximately 3,000 tonnes, and a lifting capacity of 1,200 tonnes. Reassembly began in 2009, and the crane entered operation in 2010. Its scale supports the handling of large ship sections and heavy components during vessel construction and repair. Ownership changed materially in the late 2010s. In 2017, Damen Group acquired Daewoo’s shares in the Mangalia operation, and Damen assumed operational control from 2018. The resulting arrangement left the Romanian Government as a co-owner while placing day-to-day operational responsibility with Damen. Within the Damen network, Mangalia is described as the group’s largest shipyard. Its substantial land area, long dry docks, and extensive quays give it the physical capacity to serve large merchant vessels and undertake sizeable repair or construction projects. Mangalia Shipyard’s market position is therefore based primarily on scale, geographic access to the Black Sea and wider European maritime routes, and the ability to combine newbuild and repair capabilities. The facility’s current public profile is shaped by its ownership structure and Damen operating model, while its historical record is associated with major container-ship, tanker, and tugboat projects completed during the DMHI period.
History
Mangalia Shipyard is located in Mangalia, Romania, on the Black Sea coast about 45 kilometres south of Constanța. Its location gives the facility access to Romanian maritime infrastructure and to shipping routes linking the Black Sea with the wider European and international commercial shipping system. The yard occupies approximately 980,000 square metres and includes three dry docks with a combined length of about 982 metres, along with approximately 1.6 kilometres of berths. The modern company was formed in 1997 as Daewoo-Mangalia Heavy Industries, or DMHI. It was created through a joint venture between Daewoo Shipbuilding & Marine Engineering of South Korea and Romania’s 2 Mai Shipyard. The partnership connected a large international shipbuilding group with an established Romanian industrial site and positioned Mangalia to compete for major export-oriented shipbuilding contracts. During the Daewoo period, the yard built more than 127 new ships and repaired around 300 vessels. Its work included large merchant ships and specialized commercial craft. In 2002, it completed two tankers of approximately 42,500 deadweight tonnes for Kleven Floro of Norway. The tankers were designed for the transportation of orange juice, demonstrating the yard’s capacity to build large vessels for specialized cargo trades. Container shipping became another important part of the yard’s commercial history. Hamburg Süd ordered six container ships of approximately 6,000 TEU, followed by seven vessels of about 7,100 TEU and four tugboats. The shipyard also entered into a 2005 agreement with Mediterranean Shipping Company, NSB Niederelbe, Gebab, and Conti Reederei covering twelve container ships of roughly 5,000 TEU each. The referenced material states that the agreement had a total value of US$1.1 billion and that deliveries were scheduled in stages through 2011. This contract activity reflected the expansion of Mangalia’s role in the construction of large ocean-going merchant vessels. The yard strengthened its heavy fabrication capability in 2008 by purchasing a massive gantry crane from General Dynamics’ former facility in Quincy, Massachusetts. The crane, built in 1975, was known by several informal names, including Goliath. It is approximately 100 metres high, spans 126 metres, weighs about 3,000 tonnes, and has a reported lifting capacity of 1,200 tonnes. Reassembly at Mangalia started in March 2009, and the crane entered operation in 2010. The installation enabled the yard to handle large prefabricated ship sections and heavy components more efficiently. A change in ownership followed in 2017, when Damen Group acquired Daewoo’s shares. From 2018, Damen took control of the shipyard’s operations. The Romanian Government remained a co-owner, creating a mixed ownership structure in which Damen manages the facility. Within the Damen network, Mangalia is described as the group’s largest shipyard. The shipyard’s history consequently spans three overlapping phases: the Romanian industrial base associated with 2 Mai Shipyard, the international expansion and commercial newbuilding activity of the Daewoo-Mangalia Heavy Industries joint venture, and the Damen-operated period following the 2017 ownership transition. Across these phases, Mangalia has remained defined by its physical scale, large dry docks, long quays, heavy-lift equipment, and ability to undertake both ship construction and repair.
- 2018Damen takes operational control
Damen assumes responsibility for operating the shipyard while the Romanian Government remains a co-owner.
- 2017Damen acquires Daewoo’s shares
Damen Group purchases Daewoo’s interest in the shipyard, initiating a change in the facility’s ownership and management structure.
- 2010Goliath Crane begins operations
Following reassembly that began in 2009, the crane enters service at Mangalia with a reported 1,200-tonne lifting capacity.
- 2008Acquisition of the Goliath gantry crane
The shipyard purchases a large former General Dynamics gantry crane from Quincy, Massachusetts.
- 2005Major container-ship construction agreement
Mangalia signs an agreement with Mediterranean Shipping Company, NSB Niederelbe, Gebab, and Conti Reederei for twelve container ships of approximately 5,000 TEU each.
- 2002Two large tankers are delivered
The yard completes two approximately 42,500-deadweight-tonne tankers for Kleven Floro, intended for orange-juice transport.
- 1997Daewoo-Mangalia Heavy Industries is formed
Daewoo Shipbuilding & Marine Engineering and Romania’s 2 Mai Shipyard establish a joint venture that becomes the modern corporate vehicle for Mangalia Shipyard.
Products and positioning
A large-scale European shipbuilding and repair facility combining Romanian state ownership with Damen operational management. Its differentiation rests on substantial dry-dock capacity, long berths, heavy-lift infrastructure, and experience with container ships, tankers, tugboats, and other commercial vessels.
Container shipsCommercial vessels
Container ships have been a major part of Mangalia’s historical newbuilding portfolio. The yard constructed vessels in several size ranges, including ships of approximately 5,000 TEU, 6,000 TEU, and 7,100 TEU. These projects were associated with European and international shipping customers and demonstrated the facility’s ability to assemble large ocean-going merchant vessels.
TankersCommercial vessels2002
Mangalia has built large tankers for specialized cargo transportation. Two tankers of approximately 42,500 deadweight tonnes were delivered in 2002 for Kleven Floro and were intended to transport orange juice. The vessels illustrate the shipyard’s capacity for large hull construction and purpose-built cargo systems.
TugboatsWorkboats
Tugboats form part of the yard’s documented commercial-vessel output. Hamburg Süd’s orders included four tugboats alongside container ships. The facility’s broad construction and repair infrastructure allows it to support smaller workboat projects as well as large merchant-vessel programs.
Ship repair servicesMaritime services
Ship repair is a core activity of Mangalia Shipyard. The facility’s three dry docks, extensive berthing frontage, and heavy-lift equipment support inspection, maintenance, refurbishment, and repair work on commercial vessels. The yard has repaired approximately 300 ships during its documented operating history.
Flagship businesses
- Large-vessel new construction
- Commercial vessel repair
- Dry-dock services
- Heavy-lift and block assembly supported by the Goliath gantry crane
Brand decisions
- 2017Transition from Daewoo ownership to Damen ownershipM&A
The Daewoo-led joint-venture structure changed when Damen Group acquired Daewoo’s shares in the Mangalia operation.
What changed. Damen purchased Daewoo’s interest in the shipyard.
Aftermath. Damen assumed operational control from 2018, while the Romanian Government remained a co-owner.
- 2008Invest in heavy-lift capacity through the Goliath Crane acquisitionStrategy
The shipyard sought to strengthen its ability to construct and repair large vessels and handle heavy prefabricated sections.
What changed. Mangalia purchased a large gantry crane formerly located at General Dynamics’ Quincy, Massachusetts facility. Reassembly began in 2009 and the crane entered operation in 2010.
Aftermath. The crane provided the yard with reported lifting capacity of 1,200 tonnes and became a major element of its large-scale shipbuilding infrastructure.
Recent events
- 2018Damen assumes operational control
Damen took operational control of Mangalia Shipyard while ownership remained shared with the Romanian Government.
Leadership change - 2017Damen acquires Daewoo’s Mangalia shares
Damen Group acquired Daewoo’s shares in the Mangalia shipyard, beginning the transition from the Daewoo-led operating model.
M&ALeadership change - 2010Goliath Crane enters operation
The shipyard began operating the large gantry crane, which has a reported lifting capacity of 1,200 tonnes and supports large-scale vessel construction and repair.
Product launch - 2009Goliath Crane reassembly begins
Reassembly of the acquired 100-metre-high gantry crane began at Mangalia as part of the yard’s infrastructure expansion.
Other - 2008Shipyard acquires the Goliath gantry crane
Mangalia acquired a very large gantry crane formerly operated at General Dynamics’ Quincy, Massachusetts facility, adding major heavy-lift capability to the yard.
Other - 2002Mangalia delivers large juice-transport tankers
The shipyard delivered two tankers of approximately 42,500 deadweight tonnes for Norwegian company Kleven Floro. The vessels were intended for orange-juice transportation.
Product launch - 1997Daewoo-Mangalia Heavy Industries established as a joint venture
Daewoo Shipbuilding & Marine Engineering and Romania’s 2 Mai Shipyard formed Daewoo-Mangalia Heavy Industries, creating the modern corporate structure associated with Mangalia Shipyard.
Other
Sources
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