Company Profile

Company Profile

Grand Ocean Marine and Offshore Service Co., Ltd, our headquarters in Hong Kong with branch offices in Qingdao, Shanghai, Zhoushan and Shenzhen of the Mainland China.

We are committed to provide the technical solution in a professional, efficient and cost-effective method to our clients in marine and offshore industry.

We were established in 2017, with rapid development we currently have major professional teams, and the workshops, warehouses and transportation systems. 

Our service network covers all major ports and waters in China. Moreover, our technicians have the valid seaman books and can sail on board to conduct the required services.

Marine Team

Providing technical service, inspection, survey, consultation, broking service to ship managers, charterers and owners.

Offshore Team

Providing technical service to the GOPLAT and China Offshore Wind.

Cruise Team

Providing technical service, instrument calibration, water analysis, hotel & technical supplies and technical service to COAST and Carnival Maritime.

Development History

Pre 2017

Small independent company assisting few selected clients.


Hong Kong office established and Grand Ocean Company registered in Hong Kong. 


Office in Shanghai opened.

Office in Qingdao opened. 

Consolidated mainland China offices. 


Office in Shezhen opened.

Services supply chain established.

Ship supply chain established.


Warehouses in Hongkong established followed by warehouses services in mianland China(Qingdao, Shezhen & Shanghai).


New workshops opened in Qingdao and Shanghai. 

Laser cladding repairs workshop established.

Heat exchanger service workshop opened and established. 


Company growth doubles with additional contracted works and established services. 


Electrical and Automation service expanded.

Laser cladding repairs workshops approved by Class. 


Opened Zhoushan office.

Opened additional workshops for laser caldding.

Established long-term cooperation relationship with Nakashima and SKF. 

Team Members

Gerry Gao

Managing Director

Ex sea going chief engineer working on vessels with various marine engine makers and types, came ashore as Technical Superintendent being poached by Senior Technical Manager.

10 years working experience as Technical Superintendent in top class Ship Management Companies. 

Supervising DD repair and ship modification for more than 40 ships of various types.

Founding Grand Ocean in 2017 and building same company to presnet day status.

All backed up with 25 years working experience in Marine Industry. 

Tel: +852 6393 0630/+86 15901681000


Larry Liu

Depty Managing Director

Ex sea going marine engineer.

Shore work as Marine Insurance Assessor and Technical Management, for supplies, services, crew, chartering, S&P, insurance and invoicing for major European shipping companies established in China.

Membership of Institute of Charterers Sihpbrokers and CIPS(largest professional body serving procurement and supply).

15 years working experience in and supporting the Marine Industry for cargo ships and cruise industry. 

TEL: +86 13817094140/+852 55180990


Jitao Duan

Technical Manager

8 years served as Chief Engineer on sea going ships.

10 years working experience as Project Manager serving ship owners/managers and basic operators on many older ships. 

Technical management including vessel supervision in service, in drydocks and emergency repair experiences.

Tel: +86 158 3821 2515


Yuanzhao Zhu

Technical Director

From Cadet to Chief Engineer, with 15 years sea going experience.

Joined shore office as Technical Superintendent more than 12 years.

Attended more than 30 vessels dry dock repairing and retrofit projects, took over new buliding from yard and second tonnage from other owners/managers, handed over ships to new owners/managers. 

Extensive working experience in Marine Industry and close relationship with all major shipyards in China. 

Tel: +852 91987238 / +86 15056144396


Steve Nolan

Technical Advisor 

Ex sea going engineer involved with the maritime industry all his life. Marine Cadetship, worked through ranks to Chief Engineer obtaining both Motor and Steam certification  (not double barreled ).

Working experience as Technical Superintendent  for ships operations, dedicated  dry docking and new building superintendent. 

Worked as Technical Manager for vessels operations and as New Building Technical manager for major shipping company before being promoted to Technical Director in the new building sector.

Sailed on large and small vessels, PM for conversion  of two ULCC FSO Asia / Africa, PM for many standard vessels (Bulk Carriers , containers and tankers) PM for several specific vessels incl Rail Car Carriers, offshore supply vessels, RoRo as well as Pax Vessels. 

Settled and working in China with all major Chinese shipyards.

Tel: +86 18221081178


Joshua Qiu

Commercial Manager

15 years working experience in Marine Industry.

12 years working experience in Procurement and supply Chain Management.

Tel: +86 137 6142 3266


Future Plan


Maintain closer relationship with our existing clients, SEASPAN, FLEET, AESM, BSM, CARNIVAL, COW, CNOOC


Increase budget for research and development of Laser cladding technic to improve repairing technique


Cooperate with JiMei and Shanghai Maritime University to develp the smart device to facilitate the ship's repair


Cooperation with Labour deartment of HK and tranining of unemployed workers for resolving the shortage of ship repairing technicians.