Klabin SA engages in the manufacture of paper and board for packaging, corrugated board packaging, and industrial bags. It operates through the following business segments: Forest, Pulp, Paper, and Conversion. The Forest segment involves the planting and forestry operations of pine and eucalyptus to supply the company's pulp and paper mills and sale of wood (logs) to third parties in the domestic market. The Pulp segment involves the production and sale of short, long and fluffed pulp in the domestic and foreign markets. The Paper segment is involved in the production and sale of cardboard, kraftliner and recycled paper rolls in the domestic and foreign markets. The Conversion segment provides corrugated cardboard boxes, corrugated cardboard, and industrial sacks in the domestic and foreign markets. The company was founded in 1899 and is headquartered in São Paulo, Brazil.