JBW-300 Computer control impact testing machine Product Description Main Functions: JBW-300 computer control impact testing machine is ideal testing equipment , it is used to measure the metal material to resist impact loads under the dynamic properties. It can meet GB/T229-2007 <<metal Charpy notched impact test method>>, JJG 145-2007<<pendulum impact testing machine test procedures>>, ASTME23<<metal notched specimen standard impact test …