Nippon Sanso Holdings Corporation (4091.T) : juste valeur

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Nippon Sanso Holdings makes industrial gases, including oxygen, nitrogen, argon and hydrogen, plus the cylinders, vacuum systems and electronic-grade specialty gases that chipmakers consume in volume. The moat is the delivered-gas model: pipelines and on-site plants tied to long-term supply contracts with steelmakers, petrochemical complexes and semiconductor fabs, which makes switching costly and revenue sticky. Revenue growth of 14.9% is the number to pressure-test, since it likely reflects a mix of volume recovery in electronics and pricing, and a PM should separate those before assuming it repeats. At 16.9 times trailing earnings and 19.7 times forward, the market is pricing in some earnings decline or a sharp fall in the forward estimate, which is worth checking against consensus revisions. A 14.6% operating margin and 12.1% ROE are solid for a capital-heavy chemicals business, but not exceptional, so the case rests on whether growth converts into margin expansion rather than on the current profitability alone.