DooFlex Flexible Engineering - China

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DooFlex Flexible Engineering

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DooFlex Flexible Engineering
China

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Ms. Betty Zhao

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Qingdao, Shandong
China

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Registration Date:

Jun. 25, 2024

Last Updated:

Jun. 30, 2015

Business Nature:

Manufacturing of Transportation category

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Company Brief

Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading manufacturer of underwater open bottom lifting bags, enclosed air lift bags, proof load testing water weight bags, lifeboat & davit test water bags, salvage tubes & pontoons, marker buoys & inflatable fenders, liquid storage PVC tanks, and other products made of heavy duty PVC or TPU coating fabric.

DOOWIN underwater air lift bags include parachute type lifting bags and totally enclosed type lifting bags. The parachute type lifting bags has open bottom type air lift bags and enclosed type air lift bags. The sealed type lifting bags include cylindrical shape enclosed air lift bags, pillow type air lift bags, elongated air lift bags, individual buoyancy bags, vertical buoyancy bags, and twin inflatable buoyancy units. These air lifting bags can be used for the pipeline laying work too. The buoyancy capacity of our air lifting bags is from 50kg to 50ton.

DOOWIN load test water bags include crane test water weight bags, low headroom water weight bags, platform test water weight bags, lifeboat test water weight bags, gangway test water bags. The crane load test water weight bags capacity is from 1ton to 100ton. The lifeboat test weight bags have 100kg, 375kg, 400kg, 600kg. All load test weight bags are supplied with its accessories, ready for use. The wireless load cell will be supplied upon request.

DOOWIN liquid containment includes pillow type water tank, bulk storage pillow tank, fuel bladder, liquid transport bladder, conservator bladders and other special design flexible tank bladders.

DOOWIN also make the lower pressure inflatable PVC fenders used for the small boats and yachts. Marker buoys used for the sailing racing. DOOWIN inflatable pipe plugs are flow stoppers for temporary close off or seal an opening. Our inflatable pipe plug/ stoppers are very suitable for use in pipeline, ducts and tunnels with construction, inspection, repairs, cleaning, and repair.

With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used for underwater salvage, and the proof load testing of cranes, davits, lifeboats, hoist, ramps & lifts, passenger gangways, platforms and bridges. With a good reputation of quality, DOOWIN is considered as the first choice of many key industry suppliers, contractors and end-users.

DOOWIN commits to high quality products with well-equipped testing equipment and strong technical force. DOOWIN' s products passed rigorous ISO9001: 2008 Quality Management System. All underwater air lift bags are manufactured in line with IMCA D016 Rev3 Standard. All of our products are BV, SGS, and CCS certified.

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