EDGAR Filing Documents for 0001171843-22-002583

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

SEC Accession No. 0001171843-22-002583

Filing Date

2022-04-14

Accepted

2022-04-14 08:30:47

Documents

118

Period of Report

2021-12-31

Document Format Files

Seq	Description	Document	Type	Size
1	FORM 20-F	bysi20211231_20f.htm iXBRL	20-F	3253200
2	EXHIBIT 2.2	ex_357830.htm	EX-2.2	82879
3	EXHIBIT 4.5	ex_357805.htm	EX-4.5	23582
4	EXHIBIT 4.7	ex_357810.htm	EX-4.7	18764
5	EXHIBIT 4.8	ex_357814.htm	EX-4.8	16866
6	EXHIBIT 4.9	ex_357816.htm	EX-4.9	19917
7	EXHIBIT 4.24	ex_357817.htm	EX-4.24	27628
8	EXHIBIT 4.25	ex_357818.htm	EX-4.25	15144
9	EXHIBIT 4.26	ex_357823.htm	EX-4.26	15509
10	EXHIBIT 4.27	ex_357828.htm	EX-4.27	13829
11	EXHIBIT 4.28	ex_357829.htm	EX-4.28	7197
12	EXHIBIT 4.29	ex_357839.htm	EX-4.29	15113
13	EXHIBIT 4.31	ex_357846.htm	EX-4.31	55775
14	EXHIBIT 4.32	ex_357854.htm	EX-4.32	82598
15	EXHIBIT 8.1	ex_357815.htm	EX-8.1	13041
16	EXHIBIT 12.1	ex_357812.htm	EX-12.1	9191
17	EXHIBIT 12.2	ex_357813.htm	EX-12.2	8175
18	EXHIBIT 13.2	ex_357809.htm	EX-13.2	3446
19	EXHIBIT 13.1	ex_357811.htm	EX-13.1	3140
20	EXHIBIT 15.1	ex_357806.htm	EX-15.1	3118
21	EXHIBIT 15.2	ex_357807.htm	EX-15.2	4387
22	EXHIBIT 15.3	ex_357808.htm	EX-15.3	2833
28		bysilogo_426.jpg	GRAPHIC	6081
29		logo.jpg	GRAPHIC	6396
30		p80.jpg	GRAPHIC	62821
31		p112.jpg	GRAPHIC	30556
	Complete submission text file	0001171843-22-002583.txt		12156764

Data Files

Seq	Description	Document	Type	Size
23	XBRL TAXONOMY EXTENSION SCHEMA	bysi-20211231.xsd	EX-101.SCH	89084
24	XBRL TAXONOMY EXTENSION CALCULATION LINKBASE	bysi-20211231_cal.xml	EX-101.CAL	73809
25	XBRL TAXONOMY EXTENSION DEFINITION LINKBASE	bysi-20211231_def.xml	EX-101.DEF	582361
26	XBRL TAXONOMY EXTENSION LABEL LINKBASE	bysi-20211231_lab.xml	EX-101.LAB	520648
27	XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE	bysi-20211231_pre.xml	EX-101.PRE	628093
112	EXTRACTED XBRL INSTANCE DOCUMENT	bysi20211231_20f_htm.xml	XML	1775552

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