Profile: Andritz Ruthner, Inc. is supplier of fiber (mechanical and chemical) and production systems for recycled fiber - for the manufacture of paper, tissue, board and fiberboard. We serve customer like wood processors, mechanical pulp producers, chemical pulp producers (including chemical recovery applications), market pulp producers (baling and handling applications), recycled fiber producers, tissue producers, paper/board producers (stock preparation applications), and the panelboard industry. Our continuous pressure filters and/or screw presses are used for dewatering residues, sludge, occurring at several points in pulp and paper production and especially in recovered fiber systems.