WAW series adopts advanced Servo technology.With reasonable constrction,beautiful out-look,high stability and PC control system,the machine can realize closed-loop control of test load,deformation of specimen,displacement of piston and test processor,and the screen display function of test load,peaking value,specimen deformation&piston displacement.It is mainly used to do tensile,compression,bending and shearing test for metal and non-metallic materials.