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TRADE ACCOUNTS RECEIVABLE - Main customers (Details) - Net Sales - Pulp - customer	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
TRADE ACCOUNTS RECEIVABLE
Number of customers	1	1
Concentration risk percentage	9.60%	10.00%

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Number of customers in concentration of risk analysis representing major percentage of total net sales.

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This represents concentration risk percentage.

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