XML 64 R49.htm IDEA: XBRL DOCUMENT
v3.25.2

Concentrations of Credit Risk and Major Customers and Suppliers (Tables) | 12 Months Ended
--- | ---
Mar. 31, 2025
Concentrations of Credit Risk and Major Customers and Suppliers [Abstract] |
Schedule of Concentrations of Credit Risk and Major Customers and Suppliers | Accounts receivable from the four customers with the largest receivable balances or customers that individually comprised 10% or more of receivable balance as of March 31, 2024 and 2025 are as follows:
|  | Percentage of |
|  | accounts receivable |
|  | 2024 |  |  | 2025 |
|  | % |  |  | % |
Customer D |  |  | 10.7 |  |  |  | 32.9 |
Customer C (note f) |  |  | 21.8 |  |  |  | 25.4 |
Customer B (note e) |  |  | 22.1 |  |  |  | 21.5 |
Customer A. |  |  | 28.4 |  |  |  | *** |
Four largest receivable balances |  |  | 83.0 |  |  |  | 79.8 |
A substantial percentage of the Group’s sales are made to three customers and are typically on an open account basis. Customers accounting for 10% or more of total revenue from contracts with customers in any of the years ended March 31, 2023, 2024 and 2025 are as follows:
|  | Year ended March 31, |
|  | 2023 |  |  | 2024 |  |  | 2025 |
|  | % |  |  | % |  |  | % |
Customer C (note b, note f) |  |  | 33.0 |  |  |  | 34.4 |  |  |  | 41.2 |
Customer B (note a, note e) |  |  | 35.3 |  |  |  | 24.0 |  |  |  | 31.9 |
Customer D (note a) |  |  | 16.5 |  |  |  | 11.2 |  |  |  | 15.4 |
Customer E (note a) |  |  | 11.9 |  |  |  | 10.7 |  |  |  | *** |
Customer A (note c, note d) |  |  | *** |  |  |  | 12.9 |  |  |  | *** |
|  |  | 96.7 |  |  |  | 93.2 |  |  |  | 88.5 |
(a) | Sales to these customers were reported in both of the Metal Stamping and Mechanical OEM and Electric OEM operating segments.
(b) | Sales to this customer was reported in the Metal Stamping operating segment.
(c) | Sub-contracting income received was reported in Electric OEM operating segment.
(d) | Customer A is the same entity as Supplier E below.
(e) | Customer B is the same entity as Supplier D below.
(f) | Customer C is the same entity as Supplier A below.
*** | Represented not reaching 10% threshold in the respective years.
Accounts payable to suppliers that individually comprised 10% or more of accounts payable balance as of March 31, 2024 and 2025 are as follows:
|  | Percentage of |
|  | accounts payable |
|  | 2024 |  |  | 2025 |
|  | % |  |  | % |
Supplier A (note i) |  |  | 10.9 |  |  |  | 19.7 |
Supplier E (note h) |  |  | 11.5 |  |  |  | 15.5 |
Supplier F |  |  | 11.0 |  |  |  | *** |
Supplier D (note g) |  |  | 24.2 |  |  |  | *** |
Supplier B |  |  | *** |  |  |  | *** |
|  |  | 57.6 |  |  |  | 35.2 |
Suppliers accounting for 10% or more of net purchases for the years ended March 31, 2023, 2024 and 2025 are as follows:
|  | Year ended March 31, |
|  | 2023 |  |  | 2024 |  |  | 2025 |
|  | % |  |  | % |  |  | % |
Supplier A (note i) |  |  | *** |  |  |  | 10.7 |  |  |  | 19.3 |
Supplier C |  |  | 11.3 |  |  |  | *** |  |  |  | 16.2 |
Supplier B |  |  | 10.3 |  |  |  | *** |  |  |  | *** |
|  |  | 21.6 |  |  |  | 10.7 |  |  |  | 35.5 |
(a) | Supplier D is the same entity as Customer B above.
(b) | Supplier E is the same entity as Customer A above.
(c) | Supplier A is the same entity as Customer C above.
*** | Represented not reaching 10% threshold in the respective years

X
- References No definition available. + Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-18 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 275 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 20 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482861/275-10-50-20 + Details
Name: | us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration