EST. 2017 · HONG KONG # Marine repair. Across China’s ports. Main-engine service, bow-thruster overhaul and laser cladding, coordinated from Hong Kong with teams across China. Share your port, vessel schedule and equipment issue to discuss a repair plan. [Request a repair](https://v0-preview-mu-seven.vercel.app/en/contact#inquiry) [Urgent support](tel:+85263930630) Watch the company film Established**2017 · Hong Kong** Engineering credentials**[View scope & documents ↗](https://v0-preview-mu-seven.vercel.app/en/capabilities)** ![Zhoushan main engine workshop](https://v0-preview-mu-seven.vercel.app/assets/img/workshop-1-960.webp) Zhoushan New Workshop 2024 ↗ 6 cities Hong Kong · Shanghai · Qingdao · Zhoushan · Guangzhou · Dalian 50,000 hrs Cumulative sea-trial hours, core riding squad 24/7 Service enquiries and technical coordination WPS Laser-cladding procedure documents available THE COMPANY FILM ## Meet Grand Ocean in 72 seconds A closer look at our workshops, marine repair services and technical support across China. See how Grand Ocean supports your next port call or drydocking. [Discuss your repair](https://v0-preview-mu-seven.vercel.app/en/contact#inquiry) [Video & full transcript](https://v0-preview-mu-seven.vercel.app/en/company-video) Your browser does not support embedded video. [Open the video](https://v0-preview-mu-seven.vercel.app/assets/video/grand-ocean-intro-20261009.mp4) . English voiceover · English captions · 01:12 — Services ## A repair yard's depth, on demand. From engine and mechanical work to electrical systems, surveys and spare parts. Choose a service below, then share the equipment details so we can confirm scope and the relevant documentation. 01 ### DNV-Approved Laser Cladding DNV-approved procedure (WPS GOMOLCR-1) — replacing hard chrome plating to restore piston ring grooves, piston rods, cylinder heads, valve seats, turbocharger rotors, stern-tube liners. Metallurgical bond, zero distortion. Class · DNV [View page](https://v0-preview-mu-seven.vercel.app/en/laser-cladding) 02 ### Dual-Fuel Engine Service Main-engine overhaul and PMS, covering WinGD, MAN-ES and Wärtsilä. The company profile describes team experience with W12X92DF dual-fuel projects. Mechanical [View page](https://v0-preview-mu-seven.vercel.app/en/engine-repair) 03 ### Bow Thruster Overhaul Nakashima / Kawasaki / Hyundai / Wärtsilä LIPS equipment enquiries. Project scope and applicable manufacturer documents are confirmed separately. Mechanical [View page](https://v0-preview-mu-seven.vercel.app/en/bow-thrusters) 04 ### Plate-Type Heat Exchanger Plate-type heat exchanger repair & spare-parts supply. Dedicated workshops in Shanghai and Qingdao. Mechanical [View page](https://v0-preview-mu-seven.vercel.app/en/heat-exchangers) 05 ### Hatch Cover Repair & Supply Hatch-cover repair and supervision, with spare-parts supply. BV 24192CHN24 relates to specified Bearing Pad / Poly Pad products; confirm the relevant product and batch. Class · BV [View page](https://v0-preview-mu-seven.vercel.app/en/supplies) 06 ### Container / PCC / PCTC Lashing DNV Type Approval TAS00004HE for container securing devices. SWL: tension 250 kN / compression 1000 kN. DNV TA [View page](https://v0-preview-mu-seven.vercel.app/en/supplies) 07 ### ACB / VCB & Switchboard ABB / Schneider / Siemens circuit breakers and switchboard service, spare-parts supply. Electrical [View page](https://v0-preview-mu-seven.vercel.app/en/technical-support) 08 ### Thermography & Vibration Survey Thermography imaging, bearing vibration measurement, sale & purchase inspection, damage survey. Survey [View page](https://v0-preview-mu-seven.vercel.app/en/technical-support) 09 ### SKF Marine Products & Support Enquiries for SKF bearings, seals and condition monitoring. Confirm product source and applicable authorisation documents for your project. Supply [View page](https://v0-preview-mu-seven.vercel.app/en/supplies) 10 ### Wencon Repair Systems Wencon composite repair systems and dealership services. Confirm the authorised territory and supply scope with our team. Authorised [View page](https://v0-preview-mu-seven.vercel.app/en/supplies) — Network ## Six cities. Connected expertise. HK ↗ HQ Hong Kong Tsing Yi · Yiu Lian Dockyards HQ — commercial, dispatch, cruise & merchant intake. CN ↗ SH Shanghai Lingang / Pudong Jinwen Road Subsidiary Shanghai Oceanward — joint ISO scope + laser cladding workshop. CN ↗ ZS Zhoushan Dinghai Industrial Zone Engine Service HQ — HPS / FIVA / ELFI test benches, precision machining. CN ↗ QD Qingdao Shandong Laser cladding & heat exchanger workshop. Northern port hub. CN ↗ GZ Guangzhou Guangdong Guangzhou subsidiary. Service arrangements depend on the port and project. CN ↗ DL Dalian Liaoning Dalian subsidiary. Coordination for northeast port projects. — Certifications ## Credentials, with context. Review the scope of product and process approvals, management-system documents and manufacturer authorisations. Request current documents from our team. [View credentials and request documents ↗](https://v0-preview-mu-seven.vercel.app/en/capabilities) DNV — Norway 2024 CMC framework Historical record Document ended 2024-12-31 · Customer No. 10725871 DNV — Hamburg Type Approval Container Securing CR-Lc-H Cert No. TAS00004HE DNV — Approved WPS Laser Cladding Hoganas Rockit 401 WPS No. GOMOLCR-1 / Rev 0 LRQA / UKAS ISO 9001 : 2015 Quality Management Cert No. 00042273 LRQA / UKAS ISO 14001 + 45001 Environment & OHS Cert No. 00042271 · 00042272 Bureau Veritas — France Hatch-Cover Bearing & Poly Pad Cert No. 24192CHN24 — Trusted by ### Working with the names that move the world's cargo and passengers. SEASPAN FLEET BSM AESM MSC ONE Carnival CNOOC — 24 / 7 dispatch ## Let’s plan your next repair. [+852 6393 0630 · HK](tel:+85263930630) [+86 159 0168 1000 · CN](tel:+8615901681000) [tech@grand-ocean.hk](mailto:tech@grand-ocean.hk) [laserepair@grand-ocean.hk](mailto:laserepair@grand-ocean.hk) [All contact channels](https://v0-preview-mu-seven.vercel.app/en/contact) --- Canonical page: https://v0-preview-mu-seven.vercel.app/en Language: en