ISO 14409 Certificated

Ship Launching Marine Rubber Airbags - Salvage Airbags

Marine rubber airbags can be used for ship launching and landing, heavy lifting and moving, marine salvage for sunken ship, buoyancy support for pipeline, and other innovative field.

BV inspector inspect the pneumatic rubber fenders in our factory. 

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.

foam buoyancy modules

Offshore Surface Mooring Buoys
Subsea Syntactic Foam Buoys

Doowin Marine supply various general surface chain support buoys, mooring buoys, anchor pendant buoys, pipeline laying floats, steel buoys, and subsea solid buoyancy material. 

The syntactic foam has density 0.36~0.7 g/cm3. The working water depth can reach 11000m. It can be used for ROV/AUV buoyancy modules, cable floats, ocean equipment buoyancy modules, and other customized buoyancy modules.

News and Achievement

Working with EXPERTS


Doowin Marine is a professional manufacturer of ship launching airbags, floating Yokohama type pneumatic rubber fenders, foam- filled fenders, inflatable pipe plugs, and offshore foam buoys.

Doowin Marine is the leading manufacturer of ISO14409:2011 or CB/T 3795 marine rubber ship launching airbags. Marine rubber airbags, known as ship launching airbags or ship launching balloons can be used for ship launching and landing, heavy lifting, and marine salvage.

Our floating marine fenders include pneumatic rubber fenders and foam-filled fenders. Our Yokohama-type pneumatic rubber fenders are produced and inspected complying with ISO 17357. Our inflatable pipe plugs are widely applicable to all kinds of municipal pipe blocking as stoppers. We also produce the various offshore foam buoys used for the surface to subsea 7000m.

We are proud to provide the highest quality products, together with expert service and timely customer support. Let’s help you successfully complete your project – on budget and on time.

Meet Our Clients

we work for them

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

Working with EXPERTS makes the difference

Telephone: +86-532-67730629
Mobile:  +86-186 6025 7896 (WhatsApp)


Ask For A Quick Quote

It’s easy: all we need is your eternal love. But we’ll settle for your email.

Mobile: +86-186 6025 7896 (WhatsaApp)
Telephone: +86-532-67730629
We will contact you within 1 working day.