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In recent years, TYHI’s wheel and axle products have been supplied to South America, North America, Europe, Australia, Southeast Asia, Africa and other regions, for a total of more than 50 countries. TYHI has received commendations on multipole occasions for our products’ quality.

We have obtained IRIS certificate,ISO certificate, CRCC certificate, AAR certificate,EC(TSI) certificate,RISAS certificate and other certificates accredited by world railway products suppliers.

  • IRIS Certificate
    IRIS Certificate
  • IRIS Certificate
    IRIS Certificate
  • ISO Certificate
    ISO Certificate
  • ISO Certificate
    ISO Certificate
  • CRCC Certificate
    CRCC Certificate
  • CRCC Certificate
    CRCC Certificate
  • CRCC Certificate
    CRCC Certificate
  • CRCC Certificate
    CRCC Certificate
  • CRCC Certificate
    CRCC Certificate
  • AAR Certificate
    AAR Certificate
  • AAR Certificate
    AAR Certificate
  • EC Certificate
    EC Certificate
  • EC Certificate
    EC Certificate
  • RISAS Certificate
    RISAS Certificate
  • RISAS Certificate
    RISAS Certificate
  • RISAS Certificate
    RISAS Certificate

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