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Sankey diagram of YAMAU HOLDINGS CO., LTD.. A complete text table follows the diagram.
Concrete products fund a portfolio of flood-control, geological, bridge, inspection, information, and property services.
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Every category amount is a reported EDINET XBRL fact. Nodes described as arithmetic bridges are calculated residuals and do not imply a separately reported filing line.
Labels and narrative explain the filing. A category marked “arithmetic bridge” or “residual” is calculated from reported totals, rather than a separately reported line.
| Category | Stage | Value | Notes |
|---|---|---|---|
| Concrete products manufacturing & sales | 1 | 5.3B | 61.4% of reported total |
| Flood gate & sluice manufacturing, work, & maintenance | 1 | 1.2B | 14.3% of reported total |
| Geological survey, consulting & civil engineerinig work | 1 | 870M | 10.0% of reported total |
| Manufacturing, sales, & installation of expansion devices for bridges & elevated roads | 1 | 862M | 9.9% of reported total |
| Concrete structure inspection & investigation | 1 | 242M | 2.8% of reported total |
| Information equipment sales & maintenance | 1 | 114M | 1.3% of reported total |
| Real estate business | 1 | 36.1M | 0.4% of reported total |
| Other & rounding | 1 | 0 | 0.0% of reported total |
| Revenues From External Customers | 2 | 8.7B | Reported six-month total · ¥8.7B |
| Operating profit | 3 | 910M | 10.4% operating margin |
| Operating costs & expenses | 3 | 7.8B | Arithmetic residual to reported operating profit |
| Profit before tax | 4 | 997M | Reported pretax result |
| Yamau is turning concrete and inspection expertise into a broader resilience network | 3 | 87.2M | Concrete products remain the profit anchor while geology, inspections, flood control, and bridge expansion devices address aging infrastructure and disaster risk. |
| Net profit attributable to owners | 5 | 617M | Reported parent-company result |
| Tax, attribution & other | 5 | 379M | Arithmetic bridge to owners' profit |
| From | To | Value |
|---|---|---|
| Concrete products manufacturing & sales | Revenues From External Customers | 5.3B |
| Flood gate & sluice manufacturing, work, & maintenance | Revenues From External Customers | 1.2B |
| Geological survey, consulting & civil engineerinig work | Revenues From External Customers | 870M |
| Manufacturing, sales, & installation of expansion devices for bridges & elevated roads | Revenues From External Customers | 862M |
| Concrete structure inspection & investigation | Revenues From External Customers | 242M |
| Information equipment sales & maintenance | Revenues From External Customers | 114M |
| Real estate business | Revenues From External Customers | 36.1M |
| Other & rounding | Revenues From External Customers | 0 |
| Revenues From External Customers | Operating profit | 910M |
| Revenues From External Customers | Operating costs & expenses | 7.8B |
| Operating profit | Profit before tax | 910M |
| Yamau is turning concrete and inspection expertise into a broader resilience network | Profit before tax | 87.2M |
| Profit before tax | Net profit attributable to owners | 617M |
| Profit before tax | Tax, attribution & other | 379M |