HARBURG-Freudenberger Maschinenbau , a wholly owned subsidiary of L. Possehl , has acquired Slovakian company ZTS-LR NaJUS from the Rona Group. The 250-staffed ZTS-LR builds specialist equipment with a focus on welded structures, mechanical processing and the assembly of complex machines and components. Harburg-Freudenberger manufactures machines for the tyre industry and is made up of the TireTech and Mixing Group (rubber mixing technology) divisions in the manufacture of batch mixers for making rubber mixes. (PRA)