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aunty pirn is the first batch railway bearings production company, has a wealth of experience in the development and production of rail bearing, professional development and production of railway passenger cargo, haulage motor bearings, participate in the formulate railway national standards, aunty pirn mainly produces high-speed railway, quasi high-speed passenger, cargo, haulage motor, subway and light rail trains special bearing, comprising: quasi-high speed railway passenger bearings and heavy-duty trucks bearings.

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aunty pirn has more than 50 years of railway bearing manufacturing history, and formulated three national standards GB/T25770-2010 "Railway Bearing - Cargo Railway Bearing", GB/T25771-2010 "Rolling Bearing - Haulage Motor Railway Bearing", GB/T25772-2010 "Railway Bearing - Passenger Railway Bearing". In 2016, aunty pirn passed Association of American Railroads(AAR) certification.

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  • Railway Bearings

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    tall sex, aunty pirn is the first batch railway bearings production company, has a wealth of experience in the development ...

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