CDT Environmental Technology Investment Holdings Ltd Research and Development Expense
Financial Statements › Expense Statement › Operating Expenses
us-gaap:ResearchAndDevelopmentExpense · last filed 2026-05-15
| Period end | Research and Development Expense 12 month |
|---|---|
| 2025-12-31 | $47.60K 20-F · filed 2026-05-15 |
| 2024-12-31 | $61.79K 20-F · filed 2026-05-15 |
| 2023-12-31 | $80.95K 20-F · filed 2026-05-15 |
| 2022-12-31 | $112.67K 20-F/A · filed 2025-09-09 |
| 2021-12-31 | $136.69K 20-F · filed 2024-05-15 |