Home

Trusted Marine Technical Services Across the World’s Leading Ports

DNNKC Marine Services delivers end-to-end technical solutions for vessels operating major shipyards and ports worldwide — ensuring reliability, safety, and compliance at every stage.

Our Expertise

We specialize in complete technical supervision, maintenance, and dry-docking coordination for all types of vessels.

DNNKC Marine Services

Trusted Technical Solutions for the Global Maritime Industry

We specialize in complete technical supervision, maintenance, and dry-docking coordination for all types of vessels. Through our exclusive network of certified workshops and cooperating shipyards, we deliver precision, transparency, and timely execution in every project.

Core Services

A full range of complete services for your company

Join hundreds of ship owners who trust DNNKC

Why Shipowners Choose DNNKC

We guarantee modern approach & sustainable results

Technical Excellence

Led by seasoned naval professionals and marine engineers.

Strategic Partnerships

Priority access to leading shipyards across China.

Compliance Assured

Smart planning that minimizes downtime and delays.

AMONG OUR PARNTNERS

GoldenSea Shanghai

GoldenSea is specialized in MC engines as well as all makers D/Gs overhauling, repairs and troubleshooting. Can provide in situ machining for all type of engines. Also in co-operation with DH Global spares manufacturer can provide any spare for majority of makers.

Hilong Shanghai

Group of holding enterprises specializing in businesses related to the oil and natural gas industries. Being at the painting domain since 2015 have developed among other protective and functional coatings also full range of high performance marine coatings covering universal epoxy primers, cargo holds coatings, certified ballast tanks coatings, antifouling with long term protection service life up to 90 months also acrylic and polyurethane finishes for cabin, superstructure and deck.

Ruitai Nantong Group

Nantong Taida Ship Engineering Co., Ltd, which was founded 26years ago, mainly doing voyage afloat repairs and technical services at most of the ports in China Nantong Jinxiang Ship Service Co., Ltd, a firm approved by MSA, mainly engaged in ship's slop, sludge removal, and disposal, tank cleaning etc., at the ports here in China area.

Saier Nico Zhenjiang

Saier Nico Electric & Automation specializes in providing marine HV/LV Switchboard, Automation System and the last years have developed AMP for new- buildings & retrofit vessel.

Jiangsu Nanji

Jiangsu Nanji mainly produces and operates ship anti-pollution, ship power propulsion system shaft and rudder systems, and other machinery products like BWTS and Nitrogen Generators. The last years have also developed ESD (energy saving device) Hull Duct.

DHF piping

DHF piping (Japanese company) specialized in rubber lining of pipes

DeckMac

DeckMac Marine a specialized hydraulic workshop for hatch covers, cranes, grab, Ro-Ro and windlasses/winches can provide 1. Pre-docking inspection 2. Service attendance during dry-docking 3. Workshop overhauling bases at Zhoushan area 4.Voyage repairs 5. Spare parts supply (original and OEM)

Nantong Ruida Navigation

Nantong Ruida Navigation Machinery Co., Ltd, a joint venture with Danish company, mainly for producing PV Valves and aluminum alloy vent heads for both water and oil tanks. Approved by ABS, DNV etc. Classification Societies.
DHF

Questions?

Book a free online consultation with our experts now.