"Steel bar bending testing machine" is a special equipmnet for carrying out plane bending and reverse bending tests on steel bars. The main technical parameters and indicators of the equipment meet the requirements of GB 1499.2-2008"test method for plane reverse bending of steel bars",GB/T232-2010“bending test method for metallic materials” and YB/T5126-2018"bending and reverse bending test methods for reinforced concrete bars". This product is widely used in steel plants and construction units to test the positive and negative bending properties of rebar.