DOOWIN is a leading manufacturer specializing in water weight bags, underwater lift bags, marine salvage bags, pipeline floaters, lifeboat water bags, fenders, and buoys. They are known for their high-quality products and professional expertise in load testing projects. DOOWIN's water weight bags are designed for proof load testing of cranes, hoists, offshore rigs, lifting equipment, and platforms.

These bags are available in standard capacities of 650kg to 13,000kg, with customized sizes and shapes also available. Their underwater lift bags are professionally designed and manufactured in compliance with IMCA D016 standards. With air lifting capacities ranging from 50kg to 50 tons, these bags are highly reliable and customizable.

DOOWIN also offers pipeline buoyancy units, lifeboat test water bags, and portable water tanks for various applications in the marine, oil, and water industries. With a commitment to quality and safety, DOOWIN is your trusted partner for all your load testing and marine equipment needs. Their experienced engineers provide excellent customer support and on-site guidance services.

Choose DOOWIN for reliable products, competitive prices, and innovative solutions. Contact them today to discuss how they can meet your specific requirements