ISO 14409 Certificated

Ship Launching Marine Rubber 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.


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.  


Pipeline Supporting Buoys

Doowin Marine is a professional manufacturer of pipe deployment floats. We can make the pipeline support buoys from the surface to the subsea. Doowin Marine

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We Supply Qualified & certificated Products

what Products we Produce


Marine Rubber Airbags

Used for ship launching/landing, marine salvage, heavy lifting


Pneumatic Rubber Fenders

Yokohama type floating pneumatic rubber fenders comply with ISO 17357


Foam Filled Fenders

Netless and netted foam filled fenders, donut foam fenders, shipboard fenders


Inflatable Pipe Plugs

Blocking municipal pipeline stopper


General Surface Buoys

Chain support and mooring buoys


Subsea Buoysancy Material

Subsea solid buoyancy material

Solid buoyancy solution

Offshore Surface and Subsurface 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.


Meet Our Clients

we work for them

We work for many shipyards, ports, and offshore companies all over the world. 

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.