Millbrook Group, the owner of winter and tyre testing specialists, Test World, hosted a series of high-profile visits by key VIPs in the region, including the Finnish Prime Minister, Juha Sipilä, and the US Ambassador to Finland, Charles C. Adams. The news follows Test World’s relatively recent signing of a contract with Hankook to build a winter tyre testing centre in Ivalo for Hankook’s exclusive use.