2. This testing machine mainly use computer and software to control the whole system, which can make the accuracy more precise. The hydraulic cylinder is imported from germany, which is high flow, good circularity and high availability. This machine can be used to test the heavy duty springs of haulage motor. This machine can adopt the electro-hydraulic servo testing system to operate. 3. The all parts of equipment can be maintained and repaired. The main functions of this machine is as follows, it can use fixed deformation or fixed load. Measurement system can be automatic zero, automatic calibration. Computer real- …