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Press Release

  • >> Load Test Water Bags Type Certificated Drop Test
    DOOWIN proof load test water weight bags have been drop-tested at the TUV National Engineering Laboratory, and gained type test accreditation at the 6:1 safety factor to meet LEEA Guidance 051. ...
  • >> Inflatable Buoyancy Bags for Pipeline Laying
    Vertical mono buoyancy bags are design with one single point, special used for the pipeline laying work. Easier to operate than rubber air bags, and foam buoyancy units. Our mono buoyancy units are 6 times certificated by drop test. We can make 1ton ~ 5ton inflatable buoyancy bag...
  • >> A Frame Crane Proof Load Test
    A frame crane proof load test is one application of proof load bags. DOOWIN engineering team finished one A frame crane proof load test using 4 units proof load bags....