Double-column Tensile Testing Machine 1.Professional designed 2.High quality 3.Reasonable price with ... big deformation grip 3.Criteria: ASTM,EN, DIN, Double-column Tensile Testing Machine is widely used to test tension ,tear strength ,peeling ... , three-point bending , etc.in the field of metal ,rubber ,plastic ,nylon ,leather ,shoemaking ,fabric ,insulator ,electric appliance,automobile ,etc. And ...