DOOWIN is the most professional manufacturer of this industry. We equipped the most advanced welding machine. The water bags pass the highest class drop test with 6:1 safety factor compliance with LEEA 051.
All DOOWIN air lifting bags and water weight bags are designed, manufactured and certificated compliance with IMCA D-016 and LEEA 051 under the control of ISO 9001:2008. Certificated by known SGS, LR, BV, ABS.
DOOWIN pay attention to all details. From the airbags and water bags bodies to lifting belts, shackles, master links and other accessories, we pursue the highest quality, international class. DOOWIN is your first choice of high-quality products.
Single point buoyancy units is one kind enclosed pipeline buoyancy bags. It has one single lifting point.
The World’s Largest Water Weight Bags. The unit load capacity over 110ton. BV third party certificated.
We have a professional engineering team can provide you the invaluable technical insights and engineering expertise for your project.
DOOWIN maintains water weight bags and underwater lift bags in the Middle East and Southeast Asia. Ready for rental to customers.
Our team can contract the proof load testing projects with our qualified water weight bags, load cell, and all necessary accessories.
We experienced workers can repair your damaged underwater lift bags and water weight bags using qualified material and technology.