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v3.26.1

Related Party Transactions - Schedule of Major Related Parties and Their Relationship and Related Party Balances (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Yin Shenping (Mr. Yin )[Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related parties and their relationship |  | Chairman of the Board |
Beijing Baihengda Petroleum Technology Co., Ltd [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related parties and their relationship |  | Mr. Yin holds 10% equity interest in Beijing Baihengda |
Fengqi (Beijing) Zhineng Technology Co., Ltd. [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Related parties and their relationship |  | Mr. Yin is the director and a minority shareholder |
Cost of revenues | [1] | $ 2,645,465 | $ 2,534,490
Related Party [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Cost of revenues |  | $ 2,645,465 | $ 2,534,490
[1] | Mr. Yin became a 10% equity owner in Beijing Baihengda on March 18, 2025. For financial statements presentation purposes, the original loan payable was reclassified to loan payable - related party. See NOTE 12 – LOAN PAYABLE.

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