Our Technical Services: Precision - Reliability - Compliance.
Machinery, Hydraulics & Electrical Workshops
In collaboration with exclusive workshops in Zhoushan, Nantong, Shanghai, and other major ports, we provide onboard and workshop-based troubleshooting, attendance, and complete overhauling services — always timely, efficient, and cost-effective.
Steel & Piping Works
Certified welders and specialized facilities deliver structural and piping repairs of any scale. From emergency fixes to scheduled renewals, all works meet class standards and tight deadlines.
Spare Parts & Consumables
Through established relationships with manufacturers and distributors, we source high-quality spare parts and consumables at the most competitive prices — ensuring seamless supply and minimum downtime.
Stores & Provisions
Working with trusted local suppliers, we arrange prompt delivery of quality stores and provisions at major Chinese ports, tailored to each vessel’s operational schedule.
We manage the entire dry-docking process — planning, quotations, yard selection, supervision, and final invoice settlement — ensuring transparency, efficiency, and quality control throughout.
Underwater Services
In partnership with accredited diving companies in Northern China, DNNKC organizes underwater inspections, hull cleaning, and related works, combining safety, precision, and cost efficiency.
Corrosion Protection & Coating Solutions
We design and oversee coating projects with top paint manufacturers, offering material selection, technical supervision, and QA to guarantee durability and corrosion resistance.
Technical Supervision
Our experienced superintendents represent owners during repairs, class and vetting inspections, and any technical attendance required, ensuring compliance and performance on behalf of the client.