EDGAR Filing Documents for 0001104659-21-051368

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

SEC Accession No. 0001104659-21-051368

Filing Date

2021-04-16

Accepted

2021-04-16 16:07:30

Documents

159

Period of Report

2020-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 20-F	best-20201231x20f.htm iXBRL	20-F	6765423
2	EXHIBIT 2.4	best-20201231xex2d4.htm	EX-2.4	211225
3	EXHIBIT 4.24	best-20201231xex4d24.htm	EX-4.24	335144
4	EXHIBIT 4.25	best-20201231xex4d25.htm	EX-4.25	511588
5	EXHIBIT 4.26	best-20201231xex4d26.htm	EX-4.26	48180
6	EXHIBIT 4.27	best-20201231xex4d27.htm	EX-4.27	89947
7	EXHIBIT 4.28	best-20201231xex4d28.htm	EX-4.28	119910
8	EXHIBIT 4.29	best-20201231xex4d29.htm	EX-4.29	68410
9	EXHIBIT 4.30	best-20201231xex4d30.htm	EX-4.30	156249
10	EXHIBIT 8.1	best-20201231xex8d1.htm	EX-8.1	18714
11	EXHIBIT 12.1	best-20201231xex12d1.htm	EX-12.1	11563
12	EXHIBIT 12.2	best-20201231xex12d2.htm	EX-12.2	11705
13	EXHIBIT 13.1	best-20201231xex13d1.htm	EX-13.1	5414
14	EXHIBIT 13.2	best-20201231xex13d2.htm	EX-13.2	5402
15	EXHIBIT 15.1	best-20201231xex15d1.htm	EX-15.1	2711
16	EXHIBIT 15.2	best-20201231xex15d2.htm	EX-15.2	6108
22	GRAPHIC	best-20201231x20f005.jpg	GRAPHIC	975
23	GRAPHIC	best-20201231x20f006.jpg	GRAPHIC	958
24	GRAPHIC	best-20201231x20f007.jpg	GRAPHIC	951
25	GRAPHIC	best-20201231x20f008.jpg	GRAPHIC	982
26	GRAPHIC	best-20201231x20f009.jpg	GRAPHIC	1337
27	GRAPHIC	best-20201231x20f010.jpg	GRAPHIC	959
28	GRAPHIC	best-20201231x20f013.jpg	GRAPHIC	57007
29	GRAPHIC	best-20201231xex4d25003.jpg	GRAPHIC	2917
30	GRAPHIC	best-20201231xex4d25004.jpg	GRAPHIC	2978
31	GRAPHIC	best-20201231xex4d25005.jpg	GRAPHIC	2940
32	GRAPHIC	best-20201231xex4d25006.jpg	GRAPHIC	3052
33	GRAPHIC	best-20201231xex4d25007.jpg	GRAPHIC	2629
34	GRAPHIC	best-20201231xex4d25008.jpg	GRAPHIC	3901
	Complete submission text file	0001104659-21-051368.txt		27211953

Data Files

Seq	Description	Document	Type	Size
17	XBRL TAXONOMY EXTENSION SCHEMA	best-20201231.xsd	EX-101.SCH	133345
18	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	best-20201231_cal.xml	EX-101.CAL	162327
19	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	best-20201231_def.xml	EX-101.DEF	594503
20	XBRL TAXONOMY EXTENSION LABEL LINKBASE	best-20201231_lab.xml	EX-101.LAB	1160984
21	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	best-20201231_pre.xml	EX-101.PRE	956602
35	EXTRACTED XBRL INSTANCE DOCUMENT	best-20201231x20f_htm.xml	XML	5527994

Mailing Address 2/F, BLOCK A, HUAXING MODERN INDUSTRY PARK, NO.18 TANGMIAO ROAD, XIHU DISTRICT HANGZHOU, ZHEJIANG PROVINCE F4 310013

Business Address 2/F, BLOCK A, HUAXING MODERN INDUSTRY PARK, NO.18 TANGMIAO ROAD, XIHU DISTRICT HANGZHOU, ZHEJIANG PROVINCE F4 310013 86 571-88995656