Consolidated Statements of Cash Flows	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Cash flows from operating activities
Net loss	$ (8,539,327)	$ (11,327,811)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	9,695,472	8,062,303
(Reversal) provision for credit losses	1,271,730	(2,428,449)
Write-down of inventories	3,554,962	1,658,432
Share-based compensation	1,225,747	64,193
Changes in fair value of warrants liability	(136,000)	(5,710,000)
Loss on disposal of property, plant and equipment	544,481	7,722,451
Impairment charge on long-lived assets	7,070,236	4,831,708
Impairment charge on goodwill		1,556,078
Impairment loss of equity investee	2,366,080
Share of loss of equity investees	27,428
Amortization of operating lease right-of-use assets	640,375	496,720
Changes in operating assets and liabilities:
Trade and bills receivable	(2,960,147)	21,021,110
Inventories	11,207,281	(23,977,795)
Prepayments and other receivables	(2,050,039)	7,146,992
Investment in sales-type lease		1,539,120
Trade and bills payable	16,785,569	7,557,193
Accrued expenses and other payables and product warranty provisions	(2,490,859)	581,074
Lease liabilities	347,511	1,188,476
Trade receivable from and payables to a former subsidiary	5,359,249	(3,529,467)
Income tax payables	157,434	(109,307)
Deferred tax assets	2,429,726	(1,228,207)
Net cash provided by operating activities	46,506,909	15,114,814
Cash flows from investing activities
Deposit paid for acquisition of long-term investment	(7,126,798)
Purchases of property, plant and equipment and construction in progress	(31,140,550)	(12,373,112)
Proceeds on disposal of property, plant and equipment	1,139	282,164
Investment in equity method investment	(4,044,175)	(297,336)
Cash receipt from disposal of equity interest of a subsidiary without losing control		4,460,038
Net cash used in investing activities	(42,310,384)	(7,928,246)
Cash flows from financing activities
Proceeds from bank borrowings	36,125,794	21,594,593
Repayment of bank borrowings	(17,986,680)	(14,607,200)
Repayment of borrowings from unrelated parties	(277,466)
Borrowings from related parties		1,486,679
Repayment of borrowings from related parties		(1,486,679)
Borrowings from a shareholder	199,942
Repayment of borrowings from shareholders	(258,316)	(4,559)
Repayment of borrowings from Mr. Ye Junnan		(3,716,698)
Capital injection from non-controlling interests		1,486,679
Proceeds from finance leases	1,696,857	1,486,679
Principal payments on finance leases	(884,911)	(628,122)
Net cash provided by financing activities	18,615,220	5,611,372
Effect of exchange rate changes on cash and cash equivalents and restricted cash	(1,345,005)	(1,796,488)
Net increase in cash and cash equivalents and restricted cash	21,466,740	11,001,452
Cash and cash equivalents and restricted cash at the beginning of year	37,356,076	26,354,624
Cash and cash equivalents and restricted cash at the end of year	58,822,816	37,356,076
Supplemental non-cash investing and financing activities:
Transfer of construction in progress to property, plant and equipment	19,538,431	22,667,373
Lease liabilities arising from obtaining right-of-use assets	476,995	1,012,740
Cash paid during the year for:
Income taxes		59,508
Interest, net of amounts capitalized	$ 181,611	$ 571,118