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REVENUE - Net sales from customers (Details) - USD ($)	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
REVENUE
Revenues	$ 31,431,614	$ 22,282,495
Customer A | Customer concentration risk | Sales revenue, net
REVENUE
Revenues	$ 6,352,394	$ 4,448,624
Concentration risk percentage	20.00%	20.00%
Customer B | Customer concentration risk | Sales revenue, net
REVENUE
Revenues		$ 3,534,619
Concentration risk percentage		16.00%
Customer C | Customer concentration risk | Sales revenue, net
REVENUE
Revenues	$ 4,779,592
Concentration risk percentage	15.00%
Customer D | Customer concentration risk | Sales revenue, net
REVENUE
Revenues	$ 3,248,773
Concentration risk percentage	10.00%
Customer E | Customer concentration risk | Sales revenue, net
REVENUE
Revenues	$ 5,838,734	$ 2,505,205
Concentration risk percentage	19.00%	11.00%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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