The series manual (orelectric) structure, According to userrequirements and configuration V-shaped, U-shaped pull any knife 2mm gap among, Hydraulic equipped with 2, A notch forming, Operationis extremely simple and reliable, Processingof the V-notch and U-notch (2mm). Tomeet the GB / T229-2007 《metal Charpy pendulum impact test》 and ASTM, EZ3, ISO148 and other international standards requirements..
