Certificates

ISO certificates

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ISO 9001:2015

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ISO 14001:2015

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

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PLK PS-94

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Certificate of admittance to exploitation

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Pre-tensioned concrete railway sleepers PS-83

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PLK PS-83

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Certificate of admittance to exploitation

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Turnout bearers

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PLK SP-93

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Certificate of admittance to exploitation

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Level crossing of “Mirosław” type

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Certificate of admittance to exploitation

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National Certificate of Factory Production Control

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