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DOOWIN – Water Weight Bags, Underwater Lift Bags Logo DOOWIN – Water Weight Bags, Underwater Lift Bags Logo
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  • About Us
    • Air Lift Bags & Water Bags
      • Underwater Lift Bags
      • Marine Salvage Bags
      • Water Weight Bags
      • Proof Load Bags
      • Lifeboat Load Test Water Bags
      • Lifeboat Davit Load Test
    • Professional Cast Quality

      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.

    • Why DOOWIN

      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.

    • Qualification Honor

      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.

  • Products
    • Air Lifting Bags
      • Underwater Lift Bags (OBP)
      • Marine Salvage Bags (TP)
      • Float Bags Salvage Tube (LP)
      • Pillow Lift Bags (EP)
    • Water Filled Weights
      • Water Weight Bags (PLB)
      • Proof Load Bags (Low Headroom)
      • Deck Load Test Weights
      • Crane Load Test Dynamometer
    • Pipeline Buoyancy Module
      • Single Point Buoyancy Units
      • Inflatable Buoyancy Units
      • Inflatable Cable Floats
      • Pipe Laying Floats
      • Pipeline Foam Buoys
    • Lifeboat & Davit Testing
      • Load Test Water Bags (Lifeboat)
      • Gangway Water Bag Test Weights
      • Lifeboat Davit Load Test
      • Floor Testing Water Bags
    • Water Bladder Tank
      • Potable Water Tanks
      • Agricultural Water Tanks
      • Rainwater Tanks
      • Onion Water Tank
      • Fuel Bladder
      • Fire Fighting Water Tanks
    • Fenders & Floaters
      • Inflatable Boat Fenders
      • Hawser Floats
      • PVC Buoys and Boat Fender
      • Pneumatic Rubber Fenders
    • Rubber Airbags & Plugs
      • Ship Launching Airbags
      • Marine Salvage Airbags
      • Heavy Lifting Airbags
      • Inflatable Pipe Plugs
    • Load Testing Website

      Focus on the load testing projects and acheivements.

  • Service & Application
    • Project Consulting
    • Rental Service
    • Proof Load Testing
    • Repair Service
  • Projects
    • Projects Achievement
    • Drop Test Video
    • Marine Salvage Video
    • Pipeline Laying Video
  • News
  • Contact Us

Projects Achievement

Loading Testing Website www.doowinloadtesting.com

Projects AchievementDOOWIN2023-02-08T03:05:36+00:00
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  • Marine Salvage
  • Pipeline Buoyancy Support
  • Proof Load Testing
DOOWIN2020-08-11T09:57:06+00:00
Boeing 747 Buoyancy Support
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Boeing 747 Buoyancy Support

Boeing 747 Buoyancy Support

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Featured Products

  • Open Bottom Parachute Type Lift Bags
  • Totally Enclosed Air Lift Bags
  • Mono Buoyancy Units
  • Water Weights Bags
  • Low Headroom Proof Load Bags
  • Lifeboat Test Water Bags
  • Inflatable Cable Floats

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Contact Info

Qingdao Doowin Rubber and Plastic Products Co.,Ltd
Address: Xiazhuang Industry Park, Chengyang, Qingdao, China
Phone: +86-532-87788178
Mobile: +86-18554869267 (WhatsApp)
Email: sales@doowincn.com

Southeast Asia Office:
Address: Shah Alam, Selangor, Malaysia

Made-in-China Showroom

Copyright 2011 - 2022 Qingdao DOOWIN Rubber and Plastic Products Co., Ltd 青岛东沃橡塑制品有限公司 | All Rights Reserved
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