Doowin - Underwater Lift Bags, Water Weight Bags

DooFlex Flexible Engineering, the brand of Qingdao DOOWIN Rubber and Plastic Co.,Ltd, is a leading manufacturer of underwater parachute air lifting bags, enclosed air lift bags, proof load testing water weight bags, lifeboat & davit test water bags, marine salvage tubes & pontoons, marker buoys & inflatable fenders, liquid storage PVC tanks, and other products made of heavy duty PVC or TPU coating fabric.  Underwater Air Lifting Bags Open bottom parachute air lifting bags, cylindrical shape enclosed air lift bags, pillow type air lift bags, elongated air lift bags  Proof Load Test Water Bags Crane test water weight bags, low headroom water weight bags, load cell  Lifeboat Test Water Bags  Pipeline Buoyancy Bags Individual buoyancy bags, twin inflatable buoyancy bags, vertical buoyancy bags  Inflatable Fenders & Buoys Inflatable fenders, inflatable buoys, fenders, buoys  Bulk Storage and Transpiration Containment Pillow type water tank, open top water tank With a wide range, good qualit