Rock Testing Machine, Dynamic Fatigue Testing Machine, Impact Testing Machine manufacturer / supplier in China, offering Affordable Structural Bolt Force/Torque Testing Machine 500kN/800kN/1000kN – Automatic Result Output, High Strength Bolt Torque/Force Testing System 500kN 800kN 100kN with Digital Load Cell, High Strength Digital Bolt Load Indicator 500kN 800kN1000kN Real-Time Tension Detection Testing Machine and so on.