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Document Details Form 6-K Filing Date Nov 15, 2021 Document Date Sep 30, 2021 Form Description Report of foreign issuer rules 13a-16 and 15d-16 of the Securities Exchange Act Filing Group Current Reports Company NIO Inc. Issuer NIO Inc. Filing Formats iXBRL View HTML Download PDF Download DOC Download XLS XBRL XBRL Viewer EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE EX-101.PRE - XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE EX-101.CAL - XBRL TAXONOMY EXTENSION CALCULATION LINKBASE EX-101.DEF - XBRL TAXONOMY EXTENSION DEFINITION LINKBASE XML - XBRL INSTANCE DOCUMENT