Underwater Air Lift Bags, Water Weight Bags, Proof Load Testing Water Bags manufacturer / supplier in China, offering Proof Load Testing Water Weight Bag for Derrick, Chain Hoist Test Load Test Weights Water Bag, Water Filled Weight Bag and so on.
Management System Certification:
ISO 9001, ISO 14001, QHSE
Import & Export Mode:
Have Own Export License
Qingdao Doowin Rubber and Plastic Co., Ltd. is a leading professional manufacturer of underwater lifting bags, pipeline buoyancy bags, air lift bags, parachute air lift bags, totally enclosed air lift bags, water filled proof load test bags, lifeboat test water bags, davit test weight bags, platform proof test water bags, marine salvage airbags, pontoons, marker offshore buoys, inflatable pneumatic fenders, liquid storage bladder tanks, and other products made of heavy duty PVC or TPU coating fabric.