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Note 12 - Related party balances and transactions: Summary of related party balance (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Accounts and Notes Receivable Related Parties Current | $ 327,556 | $ 319,589 | $ 327,556 | $ 319,589 |
Provision For Doubtful Accounts Of Prepayments |  |  | (47,115) | (7,382) | $ 11,710
Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 3,815,321 | 1,048,745 | 3,815,321 | 1,048,745 |
Provision For Doubtful Accounts Of Prepayments | 53,497 | 0 |  | 0 | 0
Increase Decrease in Provision for Doubtful Accounts of Prepayments |  |  | 54,267 | 0 | $ 0
Fdt Qingdao Intellectual Technology Co. Ltd | Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 776,878 | 0 | 776,878 | 0 |
Tungray (Kunshan) Industrial Automation Co., Ltd | Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 3,003,903 | 993,745 | 3,003,903 | 993,745 |
Tungray (Kunshan) Robot Intelligent Technology Co., Ltd | Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 14,286 | 0 | 14,286 | 0 |
Qingdao Tungray Technology Development Co., Ltd. | Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 53,497 | 55,000 | 53,497 | 55,000 |
Shanghai Tongrui Investment Management Co., Ltd. | Prepayments |  |  |  |  |
Prepaid Expense Related Parties Current | 20,254 | 0 | 20,254 | 0 |
Account Receivable | Fdt Qingdao Intellectual Technology Co. Ltd |  |  |  |  |
Accounts and Notes Receivable Related Parties Current | 30,092 | 19,372 | 30,092 | 19,372 |
Account Receivable | Tungray (Kunshan) Industrial Automation Co., Ltd |  |  |  |  |
Accounts and Notes Receivable Related Parties Current | 210,811 | 202,679 | 210,811 | 202,679 |
Account Receivable | Tungray (Kunshan) Robot Intelligent Technology Co., Ltd |  |  |  |  |
Accounts and Notes Receivable Related Parties Current | 51,444 | 52,889 | 51,444 | 52,889 |
Account Receivable | Kunshan Tungray Intelligent Technology Co., Ltd. |  |  |  |  |
Accounts and Notes Receivable Related Parties Current | 35,209 | 44,649 | 35,209 | 44,649 |
Accounts Payable |  |  |  |  |
Accounts Payable Related Party Current | 79,988 | 498,923 | 79,988 | 498,923 |
Accounts Payable | Fdt Qingdao Intellectual Technology Co. Ltd |  |  |  |  |
Accounts Payable Related Party Current | 13,700 | 365,665 | 13,700 | 365,665 |
Accounts Payable | Kunshan Tungray Intelligent Technology Co., Ltd. |  |  |  |  |
Accounts Payable Related Party Current | 6,346 | 0 | 6,346 | 0 |
Accounts Payable | Qingdao Tungray Technology Development Co., Ltd. |  |  |  |  |
Accounts Payable Related Party Current | 8,841 | 26,061 | 8,841 | 26,061 |
Accounts Payable | Shanghai Tongrui Industrial Automation Equipment Co., Ltd |  |  |  |  |
Accounts Payable Related Party Current | 31,510 | 32,395 | 31,510 | 32,395 |
Accounts Payable | Shanghai Tongrui Investment Management Co., Ltd. |  |  |  |  |
Accounts Payable Related Party Current | 0 | 54,661 | 0 | 54,661 |
Accounts Payable | Hefei CAS Dihuge Automation Co., Ltd. |  |  |  |  |
Accounts Payable Related Party Current | 19,591 | 20,141 | 19,591 | 20,141 |
Other Receivables |  |  |  |  |
Other Receivables Related Parties | 320,447 | 23,816 | 320,447 | 23,816 |
Other Receivables | Fdt Qingdao Intellectual Technology Co. Ltd |  |  |  |  |
Other Receivables Related Parties | 227,242 | 0 | 227,242 | 0 |
Other Receivables | Qingdao Tungray Biology Technology Co., Ltd. |  |  |  |  |
Other Receivables Related Parties | 44,377 | 23,816 | 44,377 | 23,816 |
Other Receivables | Du Liling |  |  |  |  |
Other Receivables Related Parties | 48,828 | 0 | 48,828 | 0 |
Other Payables |  |  |  |  |
Other Payable Related Parties | 338,453 | 670,866 | 338,453 | 670,866 |
Other Payables | Fdt Qingdao Intellectual Technology Co. Ltd |  |  |  |  |
Other Payable Related Parties | 39,323 | 0 | 39,323 | 0 |
Other Payables | Tungray (Kunshan) Industrial Automation Co., Ltd |  |  |  |  |
Other Payable Related Parties | 0 | 41,853 | 0 | 41,853 |
Other Payables | Qingdao Tungray Technology Development Co., Ltd. |  |  |  |  |
Other Payable Related Parties | 18,438 | 0 | 18,438 | 0 |
Other Payables | Jingan Tang |  |  |  |  |
Other Payable Related Parties | 280,692 | 277,607 | 280,692 | 277,607 |
Other Payables | Liling Du |  |  |  |  |
Other Payable Related Parties | 0 | 38,216 | 0 | 38,216 |
Other Payables | Gang Wang |  |  |  |  |
Other Payable Related Parties | 0 | 54,005 | 0 | 54,005 |
Other Payables | Demin Han |  |  |  |  |
Other Payable Related Parties | 0 | 156,455 | 0 | 156,455 |
Other Payables | Lei Yao |  |  |  |  |
Other Payable Related Parties | 0 | 2,893 | 0 | 2,893 |
Other Payables | Mingxing Gao |  |  |  |  |
Other Payable Related Parties | 0 | 99,837 | 0 | 99,837 |
Operating Lease Liabilities |  |  |  |  |
Operating Lease Liability Related Parties Current And Noncurrent | 359,303 | 462,544 | 359,303 | 462,544 |
Current portion of operating lease liabilities - related parties | (168,551) | (123,094) | (168,551) | (123,094) |
Noncurrent portion of operating lease liabilities - related parties | 190,752 | 339,450 | 190,752 | 339,450 |
Operating Lease Liabilities | Jingan Tang |  |  |  |  |
Operating Lease Liability Related Parties Current And Noncurrent | 158,007 | 218,432 | 158,007 | 218,432 |
Operating Lease Liabilities | Tungray (Qingdao) Technology Development Co., Ltd |  |  |  |  |
Operating Lease Liability Related Parties Current And Noncurrent | $ 201,296 | $ 244,112 | $ 201,296 | $ 244,112 |

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