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Working with Experts Makes the Difference

China Professional Manufacturer of Pneumatic Rubber Fenders
Ship Launching Marine Rubber Airbags and Offshore Buoys

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News and Achievement

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Marine Salvage Rubber Airbags

Doowin Marine April 29, 2025

Marine Salvage Rubber Airbags: Engineering Excellence in Underwater Recovery‌ Marine salvage rubber airbags have become indispensable tools in modern underwater recovery and marine engineering. Crafted

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Pipe Deployment Floats

Doowin Marine March 1, 2025

Pipe deployment floats, commonly referred to as “tie-in floats,” serve as critical components in underwater pipeline installation by supporting the weight of pipes during their

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subsea-spherical-buoys

Subsea Spherical Shape Buoys

Doowin Marine December 25, 2024

Subsea spherical shape buoys, crafted from advanced syntactic foam, represent a significant leap in the marine industry. These buoys are specifically designed to withstand the

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ISO 17357 Certificated
Yokohama Type Floating Pneumatic Rubber Fenders
Doowin Marine floating fenders include pneumatic fenders and foam-filled fenders. We supply WRAPPED and MOLDED pneumatic rubber fenders. We make donut foam fenders for the tubular pipes. We also can supply fixed port rubber fenders. The Yokohama fenders meet the requirements of ISO 17357.
ISO 14409 Certificated
Marine Rubber Airbags for
Ship Launching and Salvage Airbags
Marine rubber airbags can be used for ship launching, vessel landing, lifting and moving for the heavy objects, marine salvage and refloatation for sunken ship, buoyancy support for structure, pipeline floats, and other innovative field.
Powerful Foam Products and Polyurethane Technology

Floating Foam Filled Fenders and Offshore Buoys from Surface to Subsea

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foam filled fenders

Foam Filled Fenders

Floating Foam Filled Fenders

offshore surface foam buoys

Surface Foam Buoys

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donut foam fenders

Donut Foam Fenders

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pipeline foam buoys

Pipe Deployment Floats

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subsea foam blocks

Subsea Syntactic Foam Buoys

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The Professional Manufacturer You Can Trust

Our products are fully certified, meeting rigorous international ISO standards and comprehensive company certifications.

Why choose DOOWIN MARINE

The Expert of Marine Rubber Airbags, Yokohama Fenders, Foam Fenders, Surface & Subsea Buoys

2000+

Satisfied Customers

100+

Global Project Of The Year

14+

Years Experience

60+

Countries Exported

Quality Assurance

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Pneumatic-rubber-fender-compression-test

Technology Support Service

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Third-party Classification Society Certificate

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Third-party-Classification-Society-Certificate pneumatic fenders

Advanced Production Technology

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What Our Clients Say

We work for many shipyards, ports, and offshore companies all over the world. 
The main market include Malaysia, Indonesia, Vietnam, Turkey, India, Singapore, Thailand, Australia, UAE, Africa, America, Singapore, Brazil, Chile, Panama, Nigeria, and European

"We cooperated with Doowin for many years. Their engineers are professional and experienced. Gave us a lot of valuable project proposals. Their Yokohama fenders and airbags are qualified and meet ISO standard. Their services are top-level. We are very fortunate to know Doowin team."
Krishan-Kumar
Krishan KumarBoss of ISEA from UAE
"Doowin-Marine's ship airbags are fantastic. Very sturdy and easy to operate. They offered a helpful solution in our ship launching projects, greatly improving safety and efficiency”
Pedro Rui Martins
Pedro Rui MartinsProject Manager of Mecwide Portugal
"I am very happy to cooperate with doowin. Their engineers provided professional guidance services from the configuration design of the fender to the later installation and use. Their Yokohama fenders are also amazing."
Georg Hörburger
Georg HörburgerContact Manager of Hermann Germany

Ready To Order Qualified Products?

Telephone: +86-532-67730629
Mobile:  +86-186 6025 7896 (WhatsApp)
Email:  sales@doowinmarine.com

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Who We Are?

Doowin Marine is the brand of Qingdao Doowin Marine Engineering Co., Ltd, which is a professional manufacturer of marine rubber airbags, pneumatic fenders, foam-filled fenders, inflatable pipe plugs, and offshore foam buoys.

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Marine Rubber Airbags
Floating Fenders
Offshore Buoys
Inflatable Pipe Plug
Contact Info

Address: Xiazhuang, Chengyang, Qingdao, China
Telephone: +86-532-8778 8178
Mobile:  +86-186 6025 7896 (WhatsApp)
Email:  sales@doowinmarine.com

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Telephone: +86-532-87788178
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