Kelvin Lau, a Chinese-Canadian, shows one of his face masks. Lau used to work as an engineer in Beijing, and now runs an online shop selling masks. Photo: Simon Song

Expat does healthy trade in face masks in Beijing

Concerned by the pollution in Beijing, former telecom engineer pursues a healthy trade

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Kelvin Lau, a Chinese-Canadian, shows one of his face masks. Lau used to work as an engineer in Beijing, and now runs an online shop selling masks. Photo: Simon Song
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Teddy Ng

Teddy Ng

Teddy Ng joined the Post’s China desk in 2011, focusing on the nation’s foreign affairs. He is now deputy editor of the section.