PARTNER WITH US
DOOWIN is Chinese leading professional manufacturer underwater lift bags and water weights bags. In addition, we produce pipeline buoyancy units, lifeboat davit load testing bags, water bladder tanks, and other special inflatable products of PVC coating fabric material. We design, manufacture and test the air lift bags and water weight bags in complying with international standard IMCA D016 and LEEA 051.
Air Lift Bags
Professionally designed underwater lift bags and marine salvage airbags. All manufactured in comply with IMCA D016. Lifting Capacity: 50kg-50ton
Water Weights Bag
Used for proof load testing of crane, hoist, derrick, davit and other lifting equipments of offshore projects. Load testing capacity: 1ton-100ton
Pipeline Buoyancy Bags
Various inflatable buoyancy units for pipeline laying work or buoyancy support. Easy to transport and operation. Lift capacity: 250kg-50ton
Lifeboat Testing Bag
Perfessionally designed lifeboat water bag with air valves, relief valves and hands. Safety factor with 6:1. Standard capacity: 100kg-1ton
Water Tank Bladder
Various water tank bladder for potable water and non-potable water made of PVC and TPU coating fabric. Customized size and shape available.
Other inflatable bags
Based on experienced production technology, we also produce fenders and buoys, plugs, ship launching airbags and flexitanks to help customers more.
Projects and Clients
DOOWIN provide proof load bags, underwater lift bags and other products. It will help to service the water weights,crane load testing, commercial diving, underwater work, marine salvage, offshore pipeline, water storage, fire fighting,oil and gas industries. Meanwhile, we keep good relationship with many regular customers worldwide.
Excellent quality water bags and reliable service, they deliver exactly what they agree to and perfectly on time.
Stephen Barnett, MODEC (Singapore)
Awesome to use DOOWIN buoyancy bags for our Aramco project. Its quality completely can be comparable with UK products.
Dr.Chen Haijun, China Harbour (Aramcot)
We have confidence with DOOWIN. They can help us with an innovative solution, well prepared to accommodate to our request.
Hugo Silva (Project Manager), McDERMOTT
