Underwater Lift Bags & Water Filled Weight Bags
China Pioneer and Leaders
DOOWIN is Chinese unique professional manufacturer of underwater air lift bags, inflatable buoyancy bags, and water filled weight bags. Our inflatable buoyancy bags are used for the marine salvage, buoyancy support pipeline laying work. All our inflatable buoyancy bags are fully compliant with IMCA-D-016. DOOWIN water filled weight bags are manufactured and tested comply with the requirements of LEEA 051. DOOWIN equip the modern professional production machine, use the market leading material, and advanced production technology to manufacture high-quality products.
DOOWIN engineers and consultants have been in fabrication and use these products for more than 30 years, experienced in this industry. DOOWIN passed rigorous ISO 9001 Quality Management System, approved by the third party SGS, CCS, BV, ABS, LR.
Water Filled Weight Bags
DOOWIN load test water filled weight bags are manufactured with the highest quality PVC coating fabric. Our load test water filled weight bags are type certificated by drop test, which proven factor of safety in excess of 6:1. DOOWIN Water filled weight bags are manufactured and tested comply with LEEA 051 Guidance, BV, LR , ABS certificated.
Pipeline Inflatable Buoyancy Modules
We manufacturer various inflatable buoyancy units for different pipe laying, cable float, hose floats. Our single point inflatable mono buoyancy units are drop tested with 6:1 safety factor by BV. Inflatable buoyancy bags are manufactured in compliance with IMCA D016.