Company Profile

DooFlex is Chinese leading manufacturer underwater air lifting bags and load test water weight bags comply with international standard IMCA D016 and LEEA 051.

DooFlex is the professional manufacturer of underwater air lifting bags, salvage pontoon, pipeline buoyancy bags, proof load testing water weight bags, lifeboat test water bags, flexible bulk liquid storage & transportation PVC tankers, marker buoys and inflatable fenders, pipe stopper. With a strong reputation for quality, DooFlex is considered the first choice supplier by many key industry suppliers, contractors and end-users.

Underwater Air Lifting Bags

DooFlex is Chinese unique professional manufacturer of underwater air lifting bags and buoyancy bags. We make open bottom/enclosed type parachute type underwater air lifting bags, cylindrical shape totally enclosed air lifting bags, pillow type underwater air lifting bags, and other buoyancy units. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used for marine salvage, and pipeline laying work. All DooFlex inflatable underwater air lifting bags are manufactured comply with IMCA D016, Rev3 Guidelines.

Load Test Water Weight Bags

We make the crane test water weight bags, lifeboat test water weight bags, platform test water weight bags. DooFlex water filled weight bags are manufactured and tested comply with the requirements of LEEA 051. DooFlex equip the modern production machine, use the market-leading material, and advance production technology to manufacture high quality water weight bags.

DooFlex's engineers and consultants have been in fabrication and use these products for more than 30 years. DooFlex has the clients in the Diving, Marine Rescue and Salvage,  Energy and Oil, Offshore  Shipping, and other industries all over the world.

DooFlex's products passed rigorous ISO 9001:2008 Quality Management System, approved by the third party SGS, BV, CCS, ABS, LR, BV.

* DooFlex is the trademark of DOOWIN Rubber & Plastic Co.,Ltd for the flexible engineering products.

Please download DOOWIN catalogue to know more information.

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