Rock Testing Machine, Dynamic Fatigue Testing Machine, Impact Testing Machine manufacturer / supplier in China, offering Wdw-Series Computer-Controlled Electronic Universal Testing Machine 10kN/20kN/30kN/50kN/100kN/200kN/300kN, 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 and so on.