Thank you to visit our web site, Guoyong Marine service Ltd is a young and high speed developing company.

Office located in Shanghai, China, workshop located in Zhoushan, China. 

GYM is specializes on ship’s repair/maintenance/technical services/competitive spare parts supply business, services covered all major China ports and dockyards, not limited to spread to oversea ports.

GYM is dealing with the clients as ship owner/ship management companies.

From China company and oversea company.

And we will continue to keep on professional ways to supply our high quality services/spare parts to our valued customers all over the world.

1. Reliable 24 hour a day, 7 day a week customer service. 

2. Competitive prices. 

3. Transparent accounting. 

4. Urgent dry dock and emergency vessel repair spare parts supply (stern tube, deck hydraulic, hatch covers, electrical equipment). 

5. Door to door / Delivery on board logistic service.