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| The drilling machine is a new type drilling machine for railways.Featured by portable，fast in drilling，accurate in positioning，easy and safe for operation。It is an essential tool for raileay maintenance and rescue operations。Its characteristic is using twine drilling head or hollow drilling head. In 2002 through the identification of the Zhengzhou Railway Bureau, the Ministry of Railways in 2003 through the use of the security review in 2007 through the center of the iron rail of CRCC certification. |
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