| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 |
|---|
| Operating revenue | 13,769 | 16,219 | 18,390 | 20,029 | 23,022 | 26,322 |
|---|
| Operating costs | 12,526 | 14,588 | 16,567 | 17,771 | 20,527 | 23,248 |
|---|
| Operating gross profit (loss) | 1,242 | 1,630 | 1,822 | 2,258 | 2,494 | 3,074 |
|---|
| Selling, general and administrative expenses | 904 | 1,090 | 1,067 | 1,140 | 1,193 | 1,278 |
|---|
| Operating profit (loss) | 338 | 540 | 755 | 1,117 | 1,301 | 1,796 |
|---|
| Interest and dividend income | 3 | 3 | 4 | 4 | 5 | 5 |
|---|
| Insurance claim income | 24 | 7 | 7 | 42 | 16 | 6 |
|---|
| Subsidy income | 5 | 3 | 24 | 30 | 86 | 27 |
|---|
| Subsidy income | 5 | 3 | 24 | 30 | 86 | 27 |
|---|
| Other rent income | 5 | 7 | 18 | 10 | 11 | - |
|---|
| Other | 22 | 20 | 14 | 30 | 15 | 13 |
|---|
| Non-operating income | 76 | 57 | 78 | 125 | 134 | 52 |
|---|
| Interest expenses | 50 | 40 | 34 | 30 | 27 | 26 |
|---|
| Commission for syndicated loans | - | - | - | 2 | 31 | 4 |
|---|
| Other | 14 | 4 | 2 | 4 | - | - |
|---|
| Non-operating expenses | 83 | 44 | 37 | 35 | 59 | 30 |
|---|
| Ordinary profit (loss) | 331 | 552 | 795 | 1,207 | 1,376 | 1,817 |
|---|
| Gain on sale of non-current assets | 6 | 8 | 12 | 6 | 13 | 3 |
|---|
| Gain on sale of investment securities | - | - | - | - | 20 | - |
|---|
| Extraordinary income | 16 | 8 | 12 | 6 | 33 | 3 |
|---|
| Extraordinary income | 16 | 8 | 12 | 6 | 33 | 3 |
|---|
| Loss on sale of non-current assets | - | - | - | - | - | 7 |
|---|
| Loss on retirement of non-current assets | - | - | - | - | - | - |
|---|
| Extraordinary losses | - | - | 31 | - | - | 7 |
|---|
| Profit (loss) before income taxes | 348 | 561 | 776 | 1,213 | 1,409 | 1,813 |
|---|
| Income taxes - current | 163 | 120 | 274 | 323 | 469 | 575 |
|---|
| Income taxes - deferred | 28 | 9 | -12 | 1 | 2 | -5 |
|---|
| Income taxes | 192 | 130 | 261 | 325 | 472 | 570 |
|---|
| Profit (loss) | 156 | 431 | 515 | 888 | 937 | 1,243 |
|---|
| Profit (loss) attributable to non-controlling interests | 40 | 21 | 44 | 36 | 64 | 119 |
|---|
| Profit (loss) attributable to owners of parent | 115 | 409 | 470 | 851 | 873 | 1,123 |
|---|