Rock Testing Machine, Dynamic Fatigue Testing Machine, Impact Testing Machine manufacturer / supplier in China, offering Universal High Strength Bolt Load/Torque Tester for Lab and Field Use 500kN/800kN/1000kN/2000kN, High Precision Bolt Preload/Torque Testing Machine 500kN/800kN/2000kN for Anchor and Foundation Bolt Verification, Industrial Bolt Pulling/Torque Test Machine 500kN/1000kN/2000kN for Steel Frame and Railway Applications and so on.