Borneo is an island shared by territories of Indonesia, Malaysia and Brunei. The source's wording blurs some of those political categories, but its useful coffee detail is more specific: it discusses growing in Sarawak and Sabah and mentions dry processing and small farms.
An island name alone cannot identify the country, region, producer or species in a retail lot. Ask which part of Borneo is meant and how the coffee was handled. Descriptions of liberica, robusta or arabica answer another question again; none should be inferred solely from a broad geographical label.
Claims about export reach or future production also need a date and evidence. For a purchase, concentrate on a clearly identified product rather than treating proximity to another well-known coffee island as a quality guarantee. A more precise location makes the origin story useful and prevents a large, diverse island from being reduced to a single flavor or an incorrect country description.
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A good question can make a better brew.