EDGAR Filing Documents for 0001104659-21-058014

Form 20-F - Annual and transition report of foreign private issuers [Sections 13 or 15(d)]:

SEC Accession No. 0001104659-21-058014

Filing Date

2021-04-30

Accepted

2021-04-30 06:05:03

Documents

123

Period of Report

2020-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 20-F	yi-20201231x20f.htm iXBRL	20-F	3915686
2	EXHIBIT 4.26	yi-20201231xex4d26.htm	EX-4.26	208100
3	EXHIBIT 4.27	yi-20201231xex4d27.htm	EX-4.27	86530
4	EXHIBIT 4.28	yi-20201231xex4d28.htm	EX-4.28	551422
5	EXHIBIT 8.1	yi-20201231xex8d1.htm	EX-8.1	7531
6	EXHIBIT 12.1	yi-20201231xex12d1.htm	EX-12.1	11835
7	EXHIBIT 12.2	yi-20201231xex12d2.htm	EX-12.2	11890
8	EXHIBIT 13.1	yi-20201231xex13d1.htm	EX-13.1	6369
9	EXHIBIT 13.2	yi-20201231xex13d2.htm	EX-13.2	6316
10	EXHIBIT 15.1	yi-20201231xex15d1.htm	EX-15.1	12258
11	EXHIBIT 15.2	yi-20201231xex15d2.htm	EX-15.2	9740
12	EXHIBIT 15.3	yi-20201231xex15d3.htm	EX-15.3	6911
13	GRAPHIC	yi-20201231x20f004.jpg	GRAPHIC	95317
14	GRAPHIC	yi-20201231xex15d1001.jpg	GRAPHIC	8017
	Complete submission text file	0001104659-21-058014.txt		15575754

Data Files

Seq	Description	Document	Type	Size
15	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	yi-20201231_cal.xml	EX-101.CAL	89481
16	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	yi-20201231_def.xml	EX-101.DEF	422504
17	XBRL TAXONOMY EXTENSION LABEL LINKBASE	yi-20201231_lab.xml	EX-101.LAB	774678
18	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	yi-20201231_pre.xml	EX-101.PRE	691682
19	XBRL TAXONOMY EXTENSION SCHEMA	yi-20201231.xsd	EX-101.SCH	92082
20	EXTRACTED XBRL INSTANCE DOCUMENT	yi-20201231x20f_htm.xml	XML	2545263

Mailing Address 3-4/F, NO.295 ZUCHONGZHI ROAD PUDONG NEW AREA SHANGHAI F4 201203

Business Address 3-4/F, NO.295 ZUCHONGZHI ROAD PUDONG NEW AREA SHANGHAI F4 201203 862120536666