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INVENTORIES - Summary of balances (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventories |  |
Work in process | R$ 75,377 | R$ 52,882
Raw materials | 1,047,433 | 626,150
Spare Parts and other | 488,410 | 226,354
Inventories | 4,685,595 | 1,853,104
Pulp | Domestic |  |
Inventories |  |
Finished goods | 575,335 | 167,317
Pulp | Foreign |  |
Inventories |  |
Finished goods | 2,229,206 | 485,226
Paper | Domestic |  |
Inventories |  |
Finished goods | 199,635 | 227,303
Paper | Foreign |  |
Inventories |  |
Finished goods | R$ 70,199 | R$ 67,872

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