Marine services in Nghi Son Port - Vietnam

At Nghi Son Port, HMS – Haiphong Marine Services provides a wide range of marine services supporting vessel operations, inspections, and maintenance activities.
Our scope includes technical attendance, underwater works, cargo gear testing, and other port-related assistance carried out by class-certified engineers.
Through coordinated service points along Vietnam’s coastline, HMS ensures reliable response and consistent standards for all marine operations at Nghi Son Port.

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Nghi Son Port Overview and Operational Highlights

Located at 19°18′ N, 105°49′ E in Nghi Son Town, Thanh Hoa Province, Nghi Son Port lies on Vietnam’s North-Central coast within the Nghi Son Economic Zone, one of Vietnam’s largest industrial complexes. Its proximity to deep-water channels and key sea routes allows direct access to both domestic coastal shipping and international maritime corridors connecting to the Gulf of Tonkin and the East Sea.

Port Infrastructure and Capacity:

• Multiple terminals handling general cargo, liquid cargo, bulk materials, and containers.

• Nine general and container berths and six specialized wharves.

• Accommodation for vessels up to 70,000 – 100,000 DWT.

• Continuous infrastructure expansion targeting 20 million tons of annual throughput.

• Strategic role as a deep-water logistics hub for Vietnam’s North-Central region.

Port Operation Highlights:

• Diverse Vessel Traffic: Nghi Son Port manages large volumes of tankers, bulk carriers, and general cargo ships serving refinery, cement, and petrochemical industries.

• High Demand for Marine Services: Constant industrial activity creates ongoing demand for marine services such as onboard maintenance, mechanical repair, underwater inspection, and hull cleaning.

• Port-Linked Industrial Operations: Facilities like Nghi Son Refinery, Vissai Cement, and local power plants require regular technical standby and equipment servicing.

• Strategic Access for Service Teams: Location allows rapid deployment from Hai Phong, Lach Huyen, and Hon La, ensuring timely technical support.

• Maintenance-Focused Environment: As a key industrial hub, Nghi Son remains one of Vietnam’s most active areas for marine engineering and vessel maintenance.

HMS – Haiphong Marine Services strengthens this network with full-scope marine services and technical maintenance solutions, ensuring operational reliability for vessels calling at Nghi Son Port.

Hai Phuong 87 vessel at Nghi Son Port, where HMS provides marine services and vessel maintenance support in the North-Central region.

HMS – Marine Engineering Expertise from Hai Phong

Established in Hai Phong City, HMS – Haiphong Marine Services operates as a marine technical service provider supporting vessels at major Vietnamese ports. With its base near Hai Phong Port, HMS manages projects through a well-organized system emphasizing precision, safety, and practical results.

Core foundation of HMS operations:

• Engineering team: Comprised of class-certified engineers accredited by DNV, ABS, NK, Lloyd’s Register, and Bureau Veritas, experienced in propulsion maintenance, hull treatment, and onboard mechanical work. The team’s broad technical coverage allows HMS to handle both routine maintenance and urgent repair tasks directly at port or anchorage.
• International collaboration: Long-term partnerships with global fleets such as Maersk, ZIM, V-Ships, MOL, and KMTC enhance technical competence and promote consistent working standards across multiple vessel types.
• Close coordination with authorities: Maintaining strong relations with port administrations, customs, and maritime control offices enables faster access to vessels requiring service, smoother permit procedures, and minimized waiting time at berth.
• Work philosophy: HMS values transparent communication, flexible planning, and task accuracy, aiming to meet each client’s operational needs without interruption to their voyage.
• Commitment to quality and safety: All operations follow verified inspection procedures and class-approved safety frameworks, ensuring every stage complies with international maritime practice while maintaining environmental care.

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HMS Capabilities and Certifications

HMS – Haiphong Marine Services provides class-approved marine services, ship repair, and fabrication support for vessels at Nghi Son Port and nationwide.

Technical capabilities:

• Class-certified welding (WPS/WPQ up to AH36, 1G–4G positions).
• Fabrication and installation of hull structures and piping systems.
• Maintenance and overhaul of propulsion, machinery, and auxiliary equipment.
• Hydraulic, electrical, and control system servicing.

Certifications and standards:

• Lloyd’s Register and ClassNK approvals for welding and fabrication processes (manual, semi-auto, TIG).
• Compliance with IMO and class requirements ensuring safety, accuracy, and traceability.
• Certified workshop in Hai Phong supporting both onshore and onboard operations.

These capabilities reinforce HMS’s reliability as a marine services company delivering consistent technical solutions across Vietnam.

Main Marine Services at Nghi Son Port

As a marine services company in Vietnam, HMS – Haiphong Marine Services delivers full-scope ship repair, marine supply, and technical support solutions at Nghi Son Port, serving bulk carriers, tankers, container ships, and offshore vessels.

1. Deck and Mechanical Systems

HMS performs comprehensive maintenance for deck and mechanical systems to ensure the smooth and safe operation of all onboard components.
Main scopes include:

• Windlass and mooring system maintenance
• Steel structure renewal and surface treatment
• Anchor and chain mechanism service. Lashing and cargo securing works on deck to ensure structural safety during cargo operations
• Accommodation ladders, gratings, gangways, and ventilation louvers refurbishment
• Deck crane and marine grab servicing
• Adjustment and testing of auxiliary machinery and pumps
• Overhauling of engine governors and electric systems

These works are carried out by certified technicians following class requirements and industry safety protocols.

2. Engine and Propulsion Systems

The propulsion and engine maintenance division handles all mechanical and performance-related tasks essential to a vessel’s operation:

• Overhauling of main and auxiliary engines
• Servicing pumps, compressors, and turbochargers
• Dynamic balancing of turbocharger rotors
• Reconditioning of engine parts (pistons, liners, valves)
• Propeller maintenance and shaft alignment
• Bench testing for engine governors
• Boiler inspection and performance tuning

De-clogging condenser tubes using drilling and chemical cleaning method – marine engine room maintenance by HMS Haiphong Marine Services at Nghi Son port.

Each job is documented and verified by class-approved procedures to maintain vessel maintenance standards during voyage.

3. Electrical and Power Systems

HMS’s electrical engineering team provides solutions for all onboard electrical systems, focusing on stability, insulation integrity, and power distribution.
Typical services include:

• Troubleshooting and upgrading electrical panels and control circuits
• Rewinding and testing of electric motors (up to 500 kW)
• Overhauling of alternators and generators
• Cable laying and insulation checking
• Installation of automation control systems

All works are conducted using calibrated tools and tested for compliance before re-commissioning.

4. Hydraulic and Mechanical Systems

The core strength of HMS lies in hydraulic system maintenance for deck and cargo operations.

• Hydraulic crane and jib crane servicing
• Hatch cover hydraulic system troubleshooting and seal replacement
• Marine grab cylinder servicing and pressure testing
• Overhauling of hydraulic pumps, valves, and control units
• Load and pressure simulation to verify system stability

Marine valve inspected and overhauled by HMS team during vessel service at Nghi Son Port.

5. Navigation and Communication Equipment

Nghi Son Port serves many ocean-going vessels that require periodic verification of navigation and communication systems. HMS provides certified service for:

• Radar and ECDIS systems
• AIS, GPS, and gyrocompass units
• GMDSS annual performance tests
• VDR annual inspection and data download
• Radio and automation control checks
• Integration of bridge communication systems

These services support safe navigation and meet IMO requirements for vessel documentation.

6. Underwater Operations

HMS maintains a team of trained divers and underwater technicians who perform time-critical operations without the need for drydocking.
Main underwater services include:

• Underwater inspection in lieu of drydocking (UWILD)
• Hull cleaning and propeller polishing
• Damage assessment and photo/video reporting for class submission
• Anode replacement and verification of hull condition
• Inspection of sea chests, valves, and intakes

These underwater solutions help reduce vessel downtime and maintain operational readiness at anchorage. (underwater services)

7. Marine Supply and Logistics Support

In addition to technical maintenance, HMS – Haiphong Marine Services provides comprehensive marine supply and logistics support for all vessels calling at Nghi Son Port:

• Ship stores and bonded store supply
• Spare parts and consumable materials, including batteries, washing machines, air conditioners, and brake linings (ferado) for winches, …
• Fresh water, provisions, and lube oil coordination
• Waste disposal and slop management

Through close coordination with port authorities and customs offices, HMS ensures timely and compliant supply chain services that support vessel operations and turnaround efficiency at the port.

Winch control boxes fabricated and finished at HMS workshop before delivery for vessel maintenance projects.

8. Load Test and Functional Verification

HMS conducts load tests to confirm structural strength and functional integrity of critical shipboard systems.
The service covers:

• Load testing of deck cranes, provision cranes, and davits
• Dynamic and static load test for accommodation ladders (static & dynamic loading included)
• Function test of hydraulic hatch covers
• Winch and windlass testing under load simulation
• Verification of mooring equipment and lifting gears
• Certification in cooperation with class surveyors upon request

All results are recorded, calibrated, and submitted as part of the vessel’s maintenance documentation.

9. Fabrication and Workshop Capabilities

HMS operates a fabrication workshop near Haiphong and satellite facilities serving ports such as Nghi Son.
Workshop capabilities include:

• Custom fabrication of steel structures, ladders, and foundations
• Pipe fabrication (carbon steel, stainless, and copper-nickel materials)
• Pre-fabrication and fitting for deck outfitting components
• Welding services certified by Lloyd’s Register and Class NK
• Machining and lathe services for mechanical components
• Conveyor belt bonding and replacement for cargo handling systems

These facilities enable HMS to supply components promptly and perform onboard fitting upon vessel arrival.

HMS fabricated new funnels and performed hatch cover cutting for cement hole modification onboard in Vietnam.

10. Tank and Cargo Space Maintenance

To ensure cleanliness, safety, and operational readiness, HMS provides internal tank maintenance and cargo space cleaning services, including:

• Fuel oil (FO) and ballast tank cleaning
• Cargo holds and hatch cleaning after discharging operations
• Gas-free and sludge removal services
• Painting, surface preparation, and name repainting
• Ventilation and exhaust duct cleaning

These services are completed using certified chemicals and waste disposal methods aligned with MARPOL standards.

11. Safety and Life-Saving Equipment

Safety remains a fundamental aspect of HMS operations at Nghi Son Port.
Available lifesaving and safety services include:

• Firefighting equipment maintenance (FFS)
• Lifeboat and davit servicing
• Life raft annual inspection and renewal
• Portable and fixed firefighting system verification
• Calibration and testing of gas detectors and alarms

Each service follows SOLAS and IMO requirements to support vessel certification and safe operation.

12. Inspection and Non-Destructive Testing

All maintenance and fabrication work performed by HMS undergoes quality verification and non-destructive testing.
Available testing scopes at Nghi Son Port include:

• Magnetic Particle Inspection (MPI)
• Ultrasonic Testing (UT)
• Ultrasonic Thickness Measurement (UTM)
• Pressure testing for hydraulic systems and pipelines

Highlighted Projects at Nghi Son Port

At Nghi Son Port, HMS – Haiphong Marine Services has executed several key marine services and ship repair projects, demonstrating its capability and class-certified performance.

1. Renewal of Cell Guide – M/V SOUL OF LUCK
HMS carried out renewal of damaged cell guides at Bay 22 Row 00–02, including steel fabrication, head repair, and installation of new angle bars and brackets. All work was completed with surface treatment and painting under onboard safety procedures.

2. Cutting and Rewelding Cement Holes – M/V HAI PHUONG 87
Performed at Nghi Son Cement Factory, the scope included fabrication of new funnels, cutting and rewelding of hatch cover holes, sealing, and performing ultrasonic and vacuum testing to verify weld integrity.

3. Load Test and Certification – M/V EDGAR
HMS conducted static and dynamic load tests for deck cranes and lifting gears, followed by functional inspection and certification, confirming compliance with Safe Working Load (SWL) standards.

HMS conducted operation and overload tests for provision cranes (STBD and PS) onboard M/V EDGAR at Nghi Son Port

These projects highlight HMS’s reliability in fabrication, inspection, and testing services for vessels calling at Nghi Son Port, Vietnam.

Viewing our recently projects here.

Advantages of Choosing HMS in Nghi Son Port

Choosing HMS – Haiphong Marine Services at Nghi Son Port offers shipowners and operators a combination of responsiveness, technical expertise, and local coordination efficiency.

• Rapid mobilization from Hai Phong and nearby bases ensures minimal vessel downtime.
• Class-approved repair procedures executed by qualified and certified engineers.
• 24/7 standby support for emergency repairs, inspections, and supply requirements.
• Strong coordination with port authorities and customs offices to streamline port operations and documentation processes.

With these advantages, HMS ensures reliable marine services and seamless vessel operations at Nghi Son Port.

Service Coverage and Coordination

HMS – Haiphong Marine Services maintains an operational network across Vietnam’s coastline, enabling rapid deployment to vessels calling at major ports, terminals, and anchorages. Regular operation points include Hai Phong, Lach Huyen, Cai Lan, Nha Trang, Vissai, Hon La, Son Duong, Chan May, Cai Mep, and nearby refinery and industrial berths.

Teams can be mobilized from the nearest base to attend anchorage, berth, or offshore sites, providing on-board repairs, technical inspections, and emergency assistance. HMS works in direct coordination with port authorities, customs offices, and ship agents to ensure smooth access, documentation handling, and uninterrupted cargo or maintenance operations.

FAQs – Marine Services at Nghi Son Port

1. What marine services does HMS provide at Nghi Son Port?
Comprehensive marine services including ship repair, underwater inspection, hull maintenance, and marine supply.

2. Can HMS support vessels at anchorage?
Yes, mobile teams handle onboard repair and maintenance 24/7 at port and anchorage areas.

3. Are underwater and fabrication works available?
Certified teams perform underwater inspection, cleaning, and steel fabrication with class approval.

4. Does HMS offer load testing?
Yes, both static and dynamic load tests for accommodation ladders and lifting gear.

5. Where else does HMS operate?
Nationwide coverage: Hai Phong, Lach Huyen, Vissai, Son Duong, Hon La, Cai Mep, and Chan May.

Contact us:

For inquiries or vessel support at Nghi Son Port, contact HMS – Haiphong Marine Services. Our engineering teams are available 24/7 for ship repair, maintenance, and marine services nationwide.

     Haiphong Marine Services Co. Ltd

     Address: 27/633 Thien Loi street - Le Chan District - Hai Phong City

     Email: info@haiphongmarine.com

     Tel: WhatsApp, WeChat, Zalo, Phone number: +84 947 739 556 - HOTLINE: +84 947 739 556

     Website: http://haiphongmarine.com