Beijing's air quality reached a record low in January, but it was still only the ninth most polluted city on the mainland. Photo: Reuters

Air-purifier makers capitalise on smog

Polluted air on the mainland has pushed up demand for air-purifiers, with international makers of the products seeing surging sales

Topic |   China pollution

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Beijing's air quality reached a record low in January, but it was still only the ninth most polluted city on the mainland. Photo: Reuters
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