Together with IMECO, Tietjen presented itself, for the first time in years, at the VICTAM ASIA in Bangkok, Thailand. At the international trade fair and conference in the field of the animal...
On the 9th of February 2018, the Barmer health insurance company invited Tietjen to the third Company-Bowlingcup in the Bowling Center in Osdorf. Overall, 44 teams from the region participated,...
