Mobile Phone: +86-18554869267   –   Email: sales@doowincn.com 

DOOWIN Group  |  DOOWIN Marine  | 中文

CRANE PROOF LOAD TESTING
The most practical and safest load test solution
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SPREADER BEAM PROOF LOAD TESTING
The most effective way to load test cranes and davits
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Crane Proof Load Test with DOOWIN Load Testing

Get 12 years’ expertise in the load testing industry and 5000 ton load testing ability 

Crane Loading Test Project Contract Service

Water Weight Proof Load Bags Rental Service

Proof Load Test Project Achievement

DOOWIN offers proof-load testing services to companies across China and the world.

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China Projects

660T Proof Load Testing

DOOWIN has successfully completed a comprehensive crane load testing using water weight bags, further strengthening its commitment to safety and

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Rich Experience in Water Bags Load Testing since 2011

Powerful Solutions for Proof Load Testing

We provide rental service or proof load testing services worldwide with our equipment and expertise.

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Crane Load Testing

Cranes being used in any industry can be load tested using water-weight bags and load cell / Dynamometer.

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Derrick Loading Test

The use of water bags for load testing offshore and onshore derricks is recognized as a safe, effective testing technique.

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Lifeboat Davit Proof Testing

We offer vessel-proof load testing and lifeboat davit testing using water bags specifically designed for this purpose.

Our Clients

DOOWIN is committed to providing proof-load testing service and rental equipment for our customers worldwide. 

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12+ Years Load Testing Expertise

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Industry-leading Support and Service

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Trustworthy Equipment Support

You've got questions, we've got answers!

Your questions, comments and feedback are important to us. Complete the form or use one of the following methods to get in touch with us

  • Call us at +86-185 5486 9267 (WhatsApp)
  • Email us at sales@doowincn.com
  • Use the dealer locator to find the dealer closest to you


Thank you for the opportunity to serve you.

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Email: sales@doowincn.com         Mobile: +185 5486 9267 (WhatsApp)

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Email: sales@doowincn.com
Mobile: +86-185 54869267 (WhatsaApp)

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