Thyssenkrupp's logo is seen in the elevator test tower in Rottweil, Germany, January 21, 2020. REUTERS/Michaela Rehle FRANKFURT/DUESSELDORF, June â16 (Reuters) - âThyssenkrupp plans to spin off its materials trading division, whose sales account for nearly a third of the group's âtotal, the German conglomerate said on Tuesday. The spin-off announcement was â previously reported by Reuters and continues the company's efforts to turn itself into âa holding firm.