Rock Testing Machine, Dynamic Fatigue Testing Machine, Impact Testing Machine manufacturer / supplier in China, offering High Precision Bolt Axial Force Tester 500kN/800kN/2000kN for Fastener Testing Lab, Heavy Duty Bolt Tensile/Torque/Preload Test Machine for Anchor Bolts Inspection, Automatic Bolt Force Testing Machine for Preload and Elongation Test 500kN/800kN/1000kN and so on.