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Net revenue
 6 Months Ended
Jun. 30, 2026
Revenue [abstract]  
Net revenue Net revenue
Six-month period ended June 30,Three month period ended June 30,
2026202520262025
Domestic sales33,385,851 30,274,385 17,225,140 15,665,322 
Export sales12,122,354 10,249,791 6,674,440 5,332,334 
NET REVENUE45,508,205 40,524,176 23,899,580 20,997,656 
21.1Contract balances - Advances from customer
The following table provides information about trade accounts receivable and contract liabilities from contracts with customers:
NoteJune 30, 2026December 31, 2025
Trade accounts receivable43,555,443 4,231,924 
Contract liabilities(378,937)(344,423)
Total customer contract revenue3,176,506 3,887,501