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NMG-4 RAIL SWITCH GRINDING MACHINE

DMG-2.2 TYPE MOTOR-DRIVEN RAIL PROFILE GRINDING MACHINE

NZG-32 TYPE RAIL
DRILLING MACHINE

NQG-5 RAIL
CUTTING MACHINE

FILE OF ZHENG ZHOU RAILWAY BUREAU SCIENCE AND TECHNOLOGY COMMISSION

SCIENTIFIC TECHNOLOGICAL ACHIEVEMENT ASSAY CERTIFICATE

ISO9001: 2000 QUALITY SYSTEM CEREIFICATIONG

NMG-4 TYPE RAIL SWITCH GRINDING MACHINE

DMG-2.2 TYPE MOTOR-DRIVEN RAEL PRAIL PROFILE GRINDING MACHINE
NMG-4 TYPE RAIL SWITCH GRINDING MACHINE

DQG-IV TYPE MOTOR-DRIVEN TWO-DIRECTION SWING CUTTING RAIL MACHINE NQG-5 RAIL CUTTING MACHING