| Summary of segment information |
| | For the Six Months Ended March 31, 2026 | | | | Activated carbon | | | Robotics solutions | | | Combined | | | | USD | | | USD | | | USD | | Revenues | | $ | 17,612,770 | | | $ | 107,589 | | | $ | 17,720,359 | | Cost of revenues | | | (17,415,537 | ) | | | (59,512 | ) | | | (17,475,049 | ) | Gross profit | | $ | 197,233 | | | $ | 48,077 | | | | 245,310 | | Selling, general and administrative expenses | | | | | | | | | | | (48,317,168 | ) | Total other expenses, net | | | | | | | | | | | (1,465,422 | ) | Loss before income taxes | | | | | | | | | | | (49,537,280 | ) | Income tax expenses | | | | | | | | | | | - | | Net loss | | | | | | | | | | $(49,537,280) | |
| | For the Six Months Ended March 31, 2025 | | | | Activated carbon | | | Robotics solutions | | | Combined | | | | USD | | | USD | | | USD | | Revenue | | $ | 16,376,697 | | | | - | | | $ | 16,376,697 | | Cost of revenue | | | (15,897,467 | ) | | | - | | | | (15,897,467 | ) | Gross profit | | $ | 479,230 | | | | - | | | | 479,230 | | Selling, general and administrative expenses | | | | | | | | | | | 5,807,811 | | Total other income, net | | | | | | | | | | | 641,535 | | Income before income taxes | | | | | | | | | | | 6,928,576 | | Income tax expenses | | | | | | | | | | | (334 | ) | Net income | | | | | | | | | | $ | 6,928,242 | |
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| Summary of segment revenues by countries |
| | For the six months ended March 31, 2026 | | | | Activated carbon | | | Robotics solutions | | PRC | | $ | 17,612,770 | | | | - | | United States of America | | | - | | | $ | 107,589 | |
| | For the six months ended March 31, 2025 | | | | Activated carbon | | | Robotics solutions | | PRC | | $ | 16,376,697 | | | | - | | United States of America | | | - | | | | - | |
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| Summary of long-lived assets by countries |
| | As of | | | As of | | | | March 31, | | | September 30, | | | | 2026 | | | 2025 | | | | (unaudited) | | | (audited) | | Indonesia | | $ | 39,994,353 | | | $ | 40,604,689 | | Canada | | $ | 2,000,000 | | | | - | | PRC | | $ | 696,978 | | | $ | 941,131 | |
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