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v3.24.4

BASIS OF PREPARATION (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes and other explanatory information [abstract] |
Schedule of estimated useful lives of property, plant and equipment |
Schedule of estimated useful lives of property, plant and equipment |  |
Buildings |  | 8–35 years
Machinery and equipment |  | 3–15 years
Motor vehicles |  | 4–8 years
Office and other equipment |  | 4–8 years
Schedule of estimated useful lives of intangible assets |
Schedule of estimated useful lives of intangible assets |  |
Concession right |  | 28 years
Patents |  | 18 years
Software |  | 5 years
Schedule of estimated useful lives of right-of-use assets |
Schedule of estimated useful lives of right-of-use assets |  |
Offices and warehouses |  | 2–5 years
Motor vehicles |  | 2–10 years

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