Certificates

ISO certificates


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ISO 9001:2008

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ISO 14001:2004

Pre-tensioned concrete railway sleepers PS-94 and PS-94M


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CNTK Certificate of accreditation No AC 128 - 23/2007

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Certificate of admittance to exploitation

Pre-tensioned concrete railway sleepers PS-83


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CNTK Certificate of accreditation No AC 128 - 23/2007

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Certificate of admittance to exploitation

Turnout bearers


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CNTK Certificate of accreditation No AC 24/2007

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Certificate of admittance to exploitation

Level crossing of “Mirosław” type


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Certificate of admittance to exploitation

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National Certificate of Factory Production Control

Foundation piles


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ZKP Foundation piles