EDGAR Filing Documents for 0001104659-20-050585

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

SEC Accession No. 0001104659-20-050585

Filing Date

2020-04-24

Accepted

2020-04-24 06:48:03

Documents

136

Period of Report

2019-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	20-F	a19-28358_120f.htm	20-F	3399859
2	EX-2.5	a19-28358_1ex2d5.htm	EX-2.5	67058
3	EX-2.6	a19-28358_1ex2d6.htm	EX-2.6	71509
4	EX-4.5	a19-28358_1ex4d5.htm	EX-4.5	36118
5	EX-4.6	a19-28358_1ex4d6.htm	EX-4.6	145801
6	EX-4.8	a19-28358_1ex4d8.htm	EX-4.8	126577
7	EX-8.1	a19-28358_1ex8d1.htm	EX-8.1	11062
8	EX-12.1	a19-28358_1ex12d1.htm	EX-12.1	11697
9	EX-12.2	a19-28358_1ex12d2.htm	EX-12.2	13466
10	EX-13.1	a19-28358_1ex13d1.htm	EX-13.1	7204
11	EX-13.2	a19-28358_1ex13d2.htm	EX-13.2	6769
12	EX-15.1	a19-28358_1ex15d1.htm	EX-15.1	3337
13	EX-15.2	a19-28358_1ex15d2.htm	EX-15.2	6398
20	GRAPHIC	g283581bsi001.gif	GRAPHIC	28962
21	GRAPHIC	g283581bqi001.gif	GRAPHIC	24916
	Complete submission text file	0001104659-20-050585.txt		16471928

Data Files

Seq	Description	Document	Type	Size
14	XBRL INSTANCE DOCUMENT	niu-20191231.xml	EX-101.INS	4079894
15	XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT	niu-20191231.xsd	EX-101.SCH	101555
16	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT	niu-20191231_cal.xml	EX-101.CAL	87879
17	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT	niu-20191231_def.xml	EX-101.DEF	386061
18	XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT	niu-20191231_lab.xml	EX-101.LAB	812216
19	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT	niu-20191231_pre.xml	EX-101.PRE	690534

Mailing Address NO.1 BLDG., NO. 195 HUILONGGUAN EAST RD. CHANGPING DISTRICT BEIJING F4 102208

Business Address NO.1 BLDG., NO. 195 HUILONGGUAN EAST RD. CHANGPING DISTRICT BEIJING F4 102208 861064321899