Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001683168-23-003329
Filing Date
2023-05-15
Accepted
2023-05-15 09:41:36
Documents
51
Period of Report
2023-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q tancheng_i10q-033123.htm   iXBRL 10-Q 377695
2 CERTIFICATIONS tancheng_ex3101.htm EX-31.1 10788
3 CERTIFICATIONS tancheng_ex3201.htm EX-32.1 4345
  Complete submission text file 0001683168-23-003329.txt   2458620

Data Files

Seq Description Document Type Size
4 XBRL SCHEMA FILE bign-20230331.xsd EX-101.SCH 24341
5 XBRL CALCULATION FILE bign-20230331_cal.xml EX-101.CAL 32208
6 XBRL DEFINITION FILE bign-20230331_def.xml EX-101.DEF 59644
7 XBRL LABEL FILE bign-20230331_lab.xml EX-101.LAB 154627
8 XBRL PRESENTATION FILE bign-20230331_pre.xml EX-101.PRE 132760
45 EXTRACTED XBRL INSTANCE DOCUMENT tancheng_i10q-033123_htm.xml XML 320655
Mailing Address NO.32, HUILI TOWNSHIP, JIAOCHENG COUNTY, SHANXI PROVINCE LVLIANG CITY F4 030500
Business Address NO.32, HUILI TOWNSHIP, JIAOCHENG COUNTY, SHANXI PROVINCE LVLIANG CITY F4 030500 8613910972765
TANCHENG GROUP CO., LTD. (Filer) CIK: 0001753391 (see all company filings)

EIN.: 384086827 | State of Incorp.: NV | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 333-228803 | Film No.: 23919128
SIC: 7370 Services-Computer Programming, Data Processing, Etc.