21vianet group, inc. presents at hsbc global investor forum 2019, nov-05-2019 through nov-06-2019

21vianet group, inc. presents at hsbc global investor forum 2019, nov-05-2019 through nov-06-2019. venue: intercontinental new york barclay, 111 e 48th street, new york, new york, united states. presentation date & speakers: nov-05-2019, rene jiang, investor relations director. nov-06-2019, rene jiang, investor relations director.

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