A researcher prepares a sample inside a laboratory at BeiGene Ltd's research and development centre in Beijing on May 24, 2018. The company made its Hong Kong trading debut in August 2018. Photo: BloombergA researcher prepares a sample inside a laboratory at BeiGene Ltd's research and development centre in Beijing on May 24, 2018. The company made its Hong Kong trading debut in August 2018. Photo: Bloomberg

A researcher prepares a sample inside a laboratory at BeiGene Ltd’s research and development centre in Beijing on May 24, 2018. The company made its Hong Kong trading debut in August 2018. Photo: Bloomberg

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