The amount of allowance changes of changes in exchange rates.

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Profits generated by trading business.

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Costs of sales and operating expenses for the period incurred from transactions with related parties.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.

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Amount of long-term notes classified as other, payable within one year or the normal operating cycle, if longer.

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Amount of transactions with related party during the financial reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Related Party Balance and Transactions (Details) - USD ($)		9 Months Ended	12 Months Ended
	Nov. 16, 2021	Mar. 31, 2025	Jun. 30, 2024
Related Party Balance and Transactions [Line Items]
Company to advance	$ 3,303,424
Profits generated by trading business	90.00%
Allowance receivable			$ 103,424
Related Party [Member]
Related Party Balance and Transactions [Line Items]
Accounts payable			63,434
Zhejiang Jinbang Fuel Energy Co., Ltd [Member]
Related Party Balance and Transactions [Line Items]
Company to advance		383,189	382,949
Allowance changes of changes in exchange rates		383,189	382,949
Other payable		423,590	199,034
Shanghai Baoyin Industrial Co., Ltd [Member]
Related Party Balance and Transactions [Line Items]
Company to advance		1,069,975	1,066,003
Allowance changes of changes in exchange rates		1,066,671	1,066,003
LSM trading Ltd [Member]
Related Party Balance and Transactions [Line Items]
Company to advance		$ 570,000	$ 570,000
Rich Trading Co. Ltd [Member]
Related Party Balance and Transactions [Line Items]
Company to advance	$ 4,500,000
Costs and expenses, related party	$ 3,200,000
Mr. Wang Qinggang [Member]
Related Party Balance and Transactions [Line Items]
Equity method investment ownership percentage		30.00%	30.00%
Other payable		$ 26,013	$ 25,997
Mr. Qinggang Wang [Member]
Related Party Balance and Transactions [Line Items]
Equity method investment ownership percentage		30.00%	30.00%
LSM trading Ltd [Member]
Related Party Balance and Transactions [Line Items]
Equity method investment ownership percentage		40.00%	40.00%