"Teekanne GmbH & CO. kg is a German tea trading company, based in Düsseldorf. The founders Rudolf Anders and Eugen Nissle were the first to sell tea in tins and already mixed teas on a high quality level. Furthermore, they went on to invent the machine-made tea bag[citation needed]. Today the family-run company produces 7.5 billion tea bags per year." - (en.wikipedia.org 11.08.2021)
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