... screw rolling machine, more than 30 sets of punch for different tonnage, 120 sets of mechanical processing equipment, 2 ... gasket.(2) New elastic integrative road bed rubber gumshoe for open track structure, thermoplasticity polyolefins elastic gumshoe, various ... apparatus, such as the omnipotent hydraulic pressure tester, fatigue test for elastic bar, numerical control cutter, sclerometer, CS-902T high ...