Gold Member Since 2013
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Qingdao Doowin Rubber And Plastic Co., Ltd.

Underwater Air Lift Bags, Water Weight Bags, Proof Load Testing Water Bags manufacturer / supplier in China, offering Underwater Salvage Floating Air Bag/Underwater Air Lifting Bag, Crane Load Test Water Weight Bags / Filled Weight Bags for Sale, Crane Proof Load Test Water Bag and so on.

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Supplier Homepage Why DOOWIN Professional Cast Quality Proven in Practice of Water Weight Bags & Air Buoyancy Bags

Professional Cast Quality

Proven in Practice of Water Weight Bags & Air Buoyancy Bags [Jun 03,2016]
Proven in Practice of Water Weight Bags & Air Buoyancy Bags
Projects and Application
Hundreds Projects Prove the Trusted Quality

All DOOWIN products are proven in practice.
Our proof load test water weight bags and underwater air lift bags are supplied to hundreds of companies. Most of them are the professors. And most of them used other brand proof load bags and lifting bags before. Our best quality got their highly praised.


"We are very pleased with DOOWIN. We used many air lift bags from UK or Amercia before. Most of them are very expesive. Since 2011, we started to use DOOWIN air lift bags. Best serivce & reasoanble price. DOOWIN can be trusted because of its high quality."
-- Krishan Kumar from Integrated Subsea Engineering & Service, UAE

"The DOOWIN proof load bags have been a big asset to our load testing division. The water bags are tuff, durable, and made of high quality material which meets our heavy load needs. Our several projects were finished easily with these load test water bags. It is even better than other brand water bags."
-- Jacky from Alpha Testing, Malaysia


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