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Segments information (Tables)

12 Months Ended

Dec. 31, 2024

Segment Reporting [Abstract]

Schedule of Disaggregated information of revenues

Schedule of Disaggregated information of revenues
		For the year ended December 31, 2024				For the year ended December 31, 2023				For the year ended December 31, 2022
Sewage treatment systems		$	28,417,150			$	32,267,593			$	26,552,481
Sewage treatment services and others			1,348,055				1,942,326				2,296,881
Total revenues			29,765,205				34,209,919				28,849,362
Sewage treatment systems			17,779,226				21,630,216				17,170,669
Sewage treatment services and others			739,502				1,194,817				1,425,538
Total cost of revenues			18,518,728				22,825,033				18,596,207
Total gross profit			11,246,477				11,384,886				10,253,155
Less:
Selling expense			108,637				106,147				164,583
Depreciation expense			148,280				165,683				207,980
Salary expense			255,049				991,037				1,158,607
Rent			124,753				214,701				292,215
Professional fee			1,296,218				679,438				1,049,378
Other general and administrative expense			340,157				623,660				442,332
Research and development expense			61,786				80,948				112,668
Stock-based compensation			454,250				—
Provision for (recovery from) credit loss, net			6,459,240				(88,221	)			471,454
Other income (expense), net			129,782				183,559				(41,814	)
Income before income taxes			1,868,325				8,427,934				6,395,752
Income taxes expenses			462,043				1,403,880				1,152,963
Net income		$	1,406,282			$	7,024,054			$	5,242,789

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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- References

No definition available.

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