Sumitomo Forestry

Making plywood in Indonesia — founding Kutai Timber Indonesia (1970)

Key decision·1970· Sumitomo Forestry — the full company history →

From dependence on imported logs to owning the resource: the first overseas plant

The heart of this decision can be seen in the switch from a position that merely depended on imported logs to one that held resources and production on the ground. Building a mill in a market where demand for plywood scarcely existed looks reckless if judged only by near-term returns; what carried the business through was the ability to honour commitments made to the government while shifting output to domestic demand as local needs changed.

The Kutai experience passed on into MDF production in New Zealand in 1984 and particleboard in Indonesia in 1990, and became the first step toward an overseas production system for wood-panel products. Setting up manufacturing where the resource is and growing the business alongside local demand was, one can see, the first move in turning Sumitomo Forestry from a timber trading house into a manufacturer with production bases of its own abroad.

Revenue and net margin, FY1965–FY1975

Revenue in ¥ bn (bars) and net margin in % (line), for the years around the decision. Shaded columns are FY1970 onwards — after it was taken.

Source: securities reports

Read the full dossier in Japanese →

The Japanese edition carries the complete record of this decision — the situation that forced it, the options weighed, what actually followed, and the sources behind every claim.

Other key decisions at Sumitomo Forestry


Yen amounts are converted at the average rate of each figure’s own year — not today’s rate; the revenue chart is shown in yen. Exchange rates & sources — the full ¥/US$ table →


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Data API

Sumitomo Forestry’s history, financials, executives and shareholders are published as static JSON — no key, plain GET. Full specification →

Method Endpoint Returns
GET /api/companies.json All companies
GET /api/1911/manifest.json Resource index
GET /api/1911/history.json History overview
GET /api/1911/timeline.json Chronology
GET /api/decisions.json All management decisions (index)
GET /api/1911/decisions.json Management decisions (index)
GET /api/1911/decisions/{slug}.json One decision (full dossier)
GET /api/1911/executives.json Executives
GET /api/1911/shareholders.json Major shareholders
GET /api/1911/financials.json Financial statements
GET /api/1911/financials-longterm.json Long-term results
GET /api/1911/segments.json Business segments
GET /api/1911/regions.json Sales by region
GET /api/1911/workforce.json Workforce