2017 Recertification by the TÜV Rheinland according to the new ISO 9001:2015
2014 As part of quality management, our company was certified by the TÜV Rheinland according to ISO 9001:2008
2013 Relocation to Hamminkeln, Vennstraße, into today’s company building. Ideal working
conditions were established for the successively growing and competent team, profiting from an air-conditioned office wing, block-type thermal power station, photovoltaic installations and a 400 m² high bay warehouse
2009 Relocation to Rees, Rauhe Straße, including expanded storage room and modern offices
2005 Conversion of the sole proprietorship to PTH Prüftechnischer Handel GmbH
1998 Company foundation

Here you can find our certificate:

PTH ISO 9001 certificate (PDF)