Peter Gago, Penfolds' chief winemaker, posed for a picture in the wine decanting room while checking bottles of Grange before his masterclass

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Peter Gago, Penfolds' chief winemaker, introducing himself at the start of the Grange masterclass

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Peter Gago describing the wines in the tasting which included Grange 1983, 1986, 1991, 1998, 1999, 2004, 2006 and 2008

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Martin Hao, Decanter brand ambassador for the Decanter Shanghai Fine Wine Encounter, at the Grange masterclass

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The wines in the Grange masterclass included the 1983, 1986, 1991, 1998, 1999, 2004, 2006 and 2008 vintage

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Peter Gago presented his Grange masterclass in English which was translated into Chinese

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Peter Gago talking about the book Penfolds: The Rewards of Patience by Andrew Caillard MW which was given to each guest at the masterclass

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Each guest of the Grange masterclass was given a copy of Andrew Caillard's Penfolds: The Rewards of Patience to keep

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Tasting the Grange wines in the masterclass including the 1983, 1986, 1991, 1998, 1999, 2004, 2006 and 2008 vintage

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Peter Gago taking questions from the audience at the end of his Grange masterclass

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Peter Gago with Christelle Guibert, Decanter's international tastings director in the decanting room

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Peter Gago checking on his Grange wines with Christelle Guibert, Decanter's international tastings director in the decanting room