ContractorWirtgen Group extends its network in AustralasiaContrafed PUblishingMay 1, 2015March 10, 2016 by Contrafed PUblishingMay 1, 2015March 10, 2016 Wirtgen Group is strengthening its ties in the region and has opened a service and distribution centre at South Guildford, Perth, and at an official...