Summary of Significant Accounting Policies and Practices (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of Property and Equipment Estimated Useful Lives

Depreciation is calculated based on the straight-line method (after taking into account their respective estimated residual values) over the estimated useful lives of the assets as follows:

Buildings	5 – 38 years
Machinery and equipment	1 – 15 years
Leasehold improvement	Over the shorter of lease term of the estimated useful lives of the assets
Office equipment	1 – 5 years
Motor vehicles	5 – 12 years

Schedule of Foreign Exchange Transactions Involving RMB

Translation of amounts from RMB into US dollars has been made at the following exchange rates for the respective periods:

Year ended December 31, 2022
Balance sheet, except for equity accounts	RMB 6.9091 to US$1.00
Income statement and cash flows	RMB 6.7264 to US$1.00

Year ended December 31, 2023
Balance sheet, except for equity accounts	RMB 7.0971 to US$1.00
Income statement and cash flows	RMB 7.0719 to US$1.00

Schedule of Intangible Assets Amortization Period

The respective amortization periods for the intangible assets are as follows:

Computer software	–1 - 10 years
Sewage discharge permit	–5 - 7 years

Schedule of Presents the Activity of the Deferred Revenue

The table below presents the activity of the deferred batteries development and sales of batteries revenue during the years ended December 31, 2022 and 2023, respectively:

	December 31,			December 31,
	2022			2023
Balance at beginning of year	$	784,000		$	1,869,525
Development fees collected/ deposits received		1,115,010			-
Development and sales of batteries revenue recognized		-			(1,060,535	)
Exchange realignment		(29,485	)		(24,990	)
Balance at end of year	$	1,869,525		$	784,000