Certificates

ISO certificates


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ISO 9001:2015

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ISO 14001:2015

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


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Certificate of admittance to exploitation

Pre-tensioned concrete railway sleepers PS-83


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Certificate of admittance to exploitation

Turnout bearers


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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