Annual report

Period2025-06-01 → 2026-05-31
Filed2026-08-26
StandardJapan GAAP
ConsolidatedYes
Data checks23 of 23 passed
Key figures · 120
MetricValuePeriodScopeSource row
Revenue¥29.3bn2025-06-01 → 2026-05-31Cons.Net sales
Revenue¥23.8bn2024-06-01 → 2025-05-31Cons.Net sales
Operating income¥1.6bn2025-06-01 → 2026-05-31Cons.Operating income
Operating income¥1.2bn2024-06-01 → 2025-05-31Cons.Operating income
Ordinary income¥2.3bn2025-06-01 → 2026-05-31Cons.Ordinary income
Ordinary income¥1.4bn2024-06-01 → 2025-05-31Cons.Ordinary income
Profit before tax¥2.3bn2025-06-01 → 2026-05-31Cons.Income before income taxes
Profit before tax¥2.4bn2024-06-01 → 2025-05-31Cons.Income before income taxes
Net income (owners)¥1.7bn2025-06-01 → 2026-05-31Cons.Profit loss attributable to owners of parent
Net income (owners)¥1.7bn2024-06-01 → 2025-05-31Cons.Profit loss attributable to owners of parent
Net income¥1.7bn2025-06-01 → 2026-05-31Cons.Profit loss
Net income¥1.7bn2024-06-01 → 2025-05-31Cons.Profit loss
Total assets¥39.7bnat 2026-05-31Cons.Assets
Total assets¥36.5bnat 2025-05-31Cons.Assets
Total liabilities¥11.6bnat 2026-05-31Cons.Liabilities
Total liabilities¥11.0bnat 2025-05-31Cons.Liabilities
Net assets / equity¥28.1bnat 2026-05-31Cons.Net assets
Net assets / equity¥25.5bnat 2025-05-31Cons.Net assets
Net assets / equity¥25.1bnat 2024-05-31vCons.Net assets
Cash and deposits¥4.9bnat 2026-05-31Cons.Cash and deposits
Cash and deposits¥5.5bnat 2025-05-31Cons.Cash and deposits
Cash & equivalents¥4.9bnat 2026-05-31Cons.Cash and cash equivalents
Cash & equivalents¥5.5bnat 2025-05-31Cons.Cash and cash equivalents
Cash & equivalents¥4.8bnat 2024-05-31vCons.Cash and cash equivalents
Operating cash flow−¥291m2025-06-01 → 2026-05-31Cons.Net cash provided by used in operating activities
Operating cash flow−¥2.5bn2024-06-01 → 2025-05-31Cons.Net cash provided by used in operating activities
Investing cash flow−¥1.9bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in investment activities
Investing cash flow¥2.2bn2024-06-01 → 2025-05-31Cons.Net cash provided by used in investment activities
Financing cash flow¥1.6bn2025-06-01 → 2026-05-31Cons.Net cash provided by used in financing activities
Financing cash flow¥1.0bn2024-06-01 → 2025-05-31Cons.Net cash provided by used in financing activities
EPS (basic)¥494.12025-06-01 → 2026-05-31Cons.Basic earnings loss per share (5-year summary)
EPS (basic)¥490.832024-06-01 → 2025-05-31Cons.Basic earnings loss per share (5-year summary)
Net assets per share¥8,050.56at 2026-05-31Cons.Net assets per share (5-year summary)
Net assets per share¥7,292.25at 2025-05-31Cons.Net assets per share (5-year summary)
Equity ratio70.7%at 2026-05-31Cons.Equity to asset ratio (5-year summary)
Equity ratio69.8%at 2025-05-31Cons.Equity to asset ratio (5-year summary)
ROE6.4%2025-06-01 → 2026-05-31Cons.Rate of return on equity (5-year summary)
ROE6.8%2024-06-01 → 2025-05-31Cons.Rate of return on equity (5-year summary)
Employees511at 2026-05-31Cons.Number of employees
Employees463at 2025-05-31Cons.Number of employees
Revenue¥24.8bn2025-06-01 → 2026-05-31StandaloneNet sales
Revenue¥22.8bn2024-06-01 → 2025-05-31StandaloneNet sales
Revenue¥18.6bn2023-06-01 → 2024-05-31vStandaloneNet sales (5-year summary)
Revenue¥15.8bn2022-06-01 → 2023-05-31vStandaloneNet sales (5-year summary)
Revenue¥17.2bn2021-06-01 → 2022-05-31vStandaloneNet sales (5-year summary)
Operating income¥1.5bn2025-06-01 → 2026-05-31StandaloneOperating income
Operating income¥1.1bn2024-06-01 → 2025-05-31StandaloneOperating income
Ordinary income¥2.3bn2025-06-01 → 2026-05-31StandaloneOrdinary income
Ordinary income¥1.4bn2024-06-01 → 2025-05-31StandaloneOrdinary income
Ordinary income¥1.5bn2023-06-01 → 2024-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥1.1bn2022-06-01 → 2023-05-31vStandaloneOrdinary income loss (5-year summary)
Ordinary income¥809m2021-06-01 → 2022-05-31vStandaloneOrdinary income loss (5-year summary)
Profit before tax¥2.3bn2025-06-01 → 2026-05-31StandaloneIncome before income taxes
Profit before tax¥2.4bn2024-06-01 → 2025-05-31StandaloneIncome before income taxes
Net income¥1.7bn2025-06-01 → 2026-05-31StandaloneProfit loss
Net income¥1.7bn2024-06-01 → 2025-05-31StandaloneProfit loss
Net income¥1.0bn2023-06-01 → 2024-05-31vStandaloneNet income loss (5-year summary)
Net income¥806m2022-06-01 → 2023-05-31vStandaloneNet income loss (5-year summary)
Net income¥557m2021-06-01 → 2022-05-31vStandaloneNet income loss (5-year summary)
Total assets¥37.9bnat 2026-05-31StandaloneAssets
Total assets¥35.0bnat 2025-05-31StandaloneAssets
Total assets¥31.7bnat 2024-05-31vStandaloneTotal assets (5-year summary)
Total assets¥29.0bnat 2023-05-31vStandaloneTotal assets (5-year summary)
Total assets¥27.8bnat 2022-05-31vStandaloneTotal assets (5-year summary)
Total liabilities¥10.3bnat 2026-05-31StandaloneLiabilities
Total liabilities¥9.7bnat 2025-05-31StandaloneLiabilities
Net assets / equity¥27.6bnat 2026-05-31StandaloneNet assets
Net assets / equity¥25.3bnat 2025-05-31StandaloneNet assets
Net assets / equity¥24.8bnat 2024-05-31vStandaloneNet assets
Net assets / equity¥23.3bnat 2023-05-31vStandaloneNet assets (5-year summary)
Net assets / equity¥22.5bnat 2022-05-31vStandaloneNet assets (5-year summary)
Cash and deposits¥4.7bnat 2026-05-31StandaloneCash and deposits
Cash and deposits¥5.4bnat 2025-05-31StandaloneCash and deposits
Cash & equivalents¥4.8bnat 2024-05-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥5.6bnat 2023-05-31vStandaloneCash and cash equivalents (5-year summary)
Cash & equivalents¥4.6bnat 2022-05-31vStandaloneCash and cash equivalents (5-year summary)
Operating cash flow¥811m2023-06-01 → 2024-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥1.6bn2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Operating cash flow¥610m2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in operating activities (5-year summary)
Investing cash flow−¥1.1bn2023-06-01 → 2024-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow−¥876m2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Investing cash flow¥195m2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in investing activities (5-year summary)
Financing cash flow−¥507m2023-06-01 → 2024-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow¥314m2022-06-01 → 2023-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
Financing cash flow−¥357m2021-06-01 → 2022-05-31vStandaloneNet cash provided by used in financing activities (5-year summary)
EPS (basic)¥493.12025-06-01 → 2026-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥483.832024-06-01 → 2025-05-31StandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥288.542023-06-01 → 2024-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥225.812022-06-01 → 2023-05-31vStandaloneBasic earnings loss per share (5-year summary)
EPS (basic)¥155.842021-06-01 → 2022-05-31vStandaloneBasic earnings loss per share (5-year summary)
Dividend per share¥1102025-06-01 → 2026-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥1002024-06-01 → 2025-05-31StandaloneDividend paid per share (5-year summary)
Dividend per share¥802023-06-01 → 2024-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥702022-06-01 → 2023-05-31vStandaloneDividend paid per share (5-year summary)
Dividend per share¥852021-06-01 → 2022-05-31vStandaloneDividend paid per share (5-year summary)
Net assets per share¥7,919.69at 2026-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥7,255.06at 2025-05-31StandaloneNet assets per share (5-year summary)
Net assets per share¥7,020.04at 2024-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥6,523.47at 2023-05-31vStandaloneNet assets per share (5-year summary)
Net assets per share¥6,288.08at 2022-05-31vStandaloneNet assets per share (5-year summary)
Equity ratio72.9%at 2026-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio72.3%at 2025-05-31StandaloneEquity to asset ratio (5-year summary)
Equity ratio78.1%at 2024-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio80.2%at 2023-05-31vStandaloneEquity to asset ratio (5-year summary)
Equity ratio80.6%at 2022-05-31vStandaloneEquity to asset ratio (5-year summary)
ROE6.5%2025-06-01 → 2026-05-31StandaloneRate of return on equity (5-year summary)
ROE6.8%2024-06-01 → 2025-05-31StandaloneRate of return on equity (5-year summary)
ROE4.3%2023-06-01 → 2024-05-31vStandaloneRate of return on equity (5-year summary)
ROE3.5%2022-06-01 → 2023-05-31vStandaloneRate of return on equity (5-year summary)
ROE2.5%2021-06-01 → 2022-05-31vStandaloneRate of return on equity (5-year summary)
Shares issued3,832,000at 2026-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued3,832,000at 2025-05-31StandaloneTotal number of issued shares (5-year summary)
Shares issued3,832,000at 2024-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued3,832,000at 2023-05-31vStandaloneTotal number of issued shares (5-year summary)
Shares issued3,832,000at 2022-05-31vStandaloneTotal number of issued shares (5-year summary)
Employees389at 2026-05-31StandaloneNumber of employees
Employees368at 2025-05-31StandaloneNumber of employees
Employees355at 2024-05-31vStandaloneNumber of employees
Employees341at 2023-05-31vStandaloneNumber of employees
Employees352at 2022-05-31vStandaloneNumber of employees

Periods use the dates stated in the filing. d = earlier-year period dated by calendar; v = that date confirmed by the company's own earlier filing.

All source rows · 1,561
ItemContextValueUnit
Independent auditors report consolidated (text)FilingDateInstantText · Plus
Audit firm1 consolidatedFilingDateInstant
Original text (Japanese)太陽有限責任監査法人
Cpa1 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)大  好     慧
Cpa2 audit firm1 consolidatedFilingDateInstant
Original text (Japanese)有  久     衛
Audit opinion consolidated (text)FilingDateInstantText · Plus
Key audit matters consolidated (text)FilingDateInstantText · Plus
Overview kam consolidated (text)FilingDateInstantText · Plus
Short description kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)ACE VALVE CO., LTD.の株式取得に伴う取得原価の配分及び償却期間の決定
Description including reason kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Reference kam consolidatedFilingDateInstant_Row1Member
Original text (Japanese)連結財務諸表注記(企業結合等関係)
Auditors response kam consolidated (text)FilingDateInstant_Row1MemberText · Plus
Short description kam consolidatedFilingDateInstant_Row2Member
Original text (Japanese)㈱中北製作所における棚卸資産の評価
Description including reason kam consolidated (text)FilingDateInstant_Row2MemberText · Plus
Auditors response kam consolidated (text)FilingDateInstant_Row2MemberText · Plus
Other information consolidated (text)FilingDateInstantText · Plus
Fee related information consolidated (text)FilingDateInstantText · Plus
Independent auditors report non consolidated (text)FilingDateInstantText · Plus
Audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)太陽有限責任監査法人
Cpa1 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)大  好     慧
Cpa2 audit firm1 non consolidatedFilingDateInstant
Original text (Japanese)有  久     衛
Audit opinion non consolidated (text)FilingDateInstantText · Plus
Key audit matters non consolidated (text)FilingDateInstantText · Plus
Overview kam non consolidated (text)FilingDateInstantText · Plus
Short description kam non consolidatedFilingDateInstant_Row1Member
Original text (Japanese)棚卸資産の評価
Same as kam for consolidated fskam non consolidated (text)FilingDateInstant_Row1MemberText · Plus
Other information non consolidated (text)FilingDateInstantText · Plus
Fee related information non consolidated (text)FilingDateInstantText · Plus
Number of submissionFilingDateInstant1
Net sales (5-year summary)Prior4YearDuration-JPY
Net sales (5-year summary)Prior3YearDuration-JPY
Net sales (5-year summary)Prior2YearDuration-JPY
Net sales (5-year summary)Prior1YearDuration23768125000JPY
Net sales (5-year summary)CurrentYearDuration29254158000JPY
Ordinary income loss (5-year summary)Prior4YearDuration-JPY
Ordinary income loss (5-year summary)Prior3YearDuration-JPY
Ordinary income loss (5-year summary)Prior2YearDuration-JPY
Ordinary income loss (5-year summary)Prior1YearDuration1448065000JPY
Ordinary income loss (5-year summary)CurrentYearDuration2265593000JPY
Profit loss attributable to owners of parent (5-year summary)Prior4YearDuration-JPY
Profit loss attributable to owners of parent (5-year summary)Prior3YearDuration-JPY
Profit loss attributable to owners of parent (5-year summary)Prior2YearDuration-JPY
Profit loss attributable to owners of parent (5-year summary)Prior1YearDuration1730055000JPY
Profit loss attributable to owners of parent (5-year summary)CurrentYearDuration1724830000JPY
Comprehensive income (5-year summary)Prior4YearDuration-JPY
Comprehensive income (5-year summary)Prior3YearDuration-JPY
Comprehensive income (5-year summary)Prior2YearDuration-JPY
Comprehensive income (5-year summary)Prior1YearDuration782821000JPY
Comprehensive income (5-year summary)CurrentYearDuration3013439000JPY
Net assets (5-year summary)Prior4YearInstant-JPY
Net assets (5-year summary)Prior3YearInstant-JPY

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 23 of 23 passed
balance sheet identityconsolidated 2025-05-31pass rounding
balance sheet identityconsolidated 2026-05-31pass
balance sheet identitynon_consolidated 2025-05-31pass rounding
balance sheet identitynon_consolidated 2026-05-31pass rounding
dei present pass
period resolution pass
statement vs summary · net assetsconsolidated 2025-05-31pass
statement vs summary · net assetsconsolidated 2026-05-31pass
statement vs summary · net assetsnon_consolidated 2024-05-31pass
statement vs summary · net assetsnon_consolidated 2025-05-31pass
statement vs summary · net assetsnon_consolidated 2026-05-31pass
statement vs summary · net income attributable to parentconsolidated 2024-06-01/2025-05-31pass
statement vs summary · net income attributable to parentconsolidated 2025-06-01/2026-05-31pass
statement vs summary · operating cash flowconsolidated 2024-06-01/2025-05-31pass
statement vs summary · operating cash flowconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenueconsolidated 2024-06-01/2025-05-31pass
statement vs summary · revenueconsolidated 2025-06-01/2026-05-31pass
statement vs summary · revenuenon_consolidated 2024-06-01/2025-05-31pass
statement vs summary · revenuenon_consolidated 2025-06-01/2026-05-31pass
statement vs summary · total assetsconsolidated 2025-05-31pass
statement vs summary · total assetsconsolidated 2026-05-31pass
statement vs summary · total assetsnon_consolidated 2025-05-31pass
statement vs summary · total assetsnon_consolidated 2026-05-31pass