PWS series electrohydraulic servostatic universal tester machine is mainly used for dynamic mechanical performance testing of materials and parts. Configuration of corresponding auxiliaries can be used for various metal materials such as stretching, compression, low and high circumference, crack expansion, fracture mechanics and other various mechanical tests. PWS series electrohydraulic servostatic universal tester machine is mainly used for dynamic mechanical performance testing of materials and parts. PWS series electrohydraulic servostatic universal tester machine is mainly used for dynamic mechanical performance testing of materials and parts. PWS series electrohydraulic servostatic universal tester machine is mainly used for dynamic mechanical