Multi-functional Crane Load test using Waterbags is used for weighing testing. It is light weight, small in size, and easy to transport. In addition to its safety, environmental protection, energy saving and consumption reduction, it is a new type of trial heavy product that gradually replaces the traditional method of trial and error.

The PVC tarpaulin used for water bladder bags main advantage is the breaking strength. DERFLEX products reached more than 1000N/5cm strength which makes the bags long outdoor durance.

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