This page updates our followers about what is happening inside TDR, with TDR Customers and what value add we have for you. Our engineering and repair teams have over 20 years of experience in designing, building and repairing a wide range of telecommunications and industrial automation products. Our main focus areas are: • base stations (BTS), repairing switching domains and engineering in cellular networks • unit repair, assembly and engineering in Industrial Automation and Medical areas TDR Finland received an ISO 9001 quality system certification from DNV in 2011. TDR Estonia received ISO9001 and ISO14000 certifications from DNV in 2012. Sites • TDR Estonia, Pärnu • TDR Finland, Kemi • TDR Russia, St. Petersburg