---
schema_version: "secwatch.filing_event.v1"
accession: "0001683168-22-008375"
form_type: "8-K"
ticker: "QSJC"
cik: "0001753391"
company_name: "TANCHENG GROUP CO., LTD."
filed_at: "2022-12-13T23:59:59+00:00"
generated_at: "2026-06-21T05:33:44.543005+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.2
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Bigeon Corp. changes name to Tancheng Group Co., Ltd. after written consent

## Summary
- Shareholder with ~79.9% voting power approved name change via written consent on Oct 17, 2022.
- Sole director also approved; Certificate of Amendment filed with Nevada Secretary of State same day.
- Company will request new trading symbol on OTC markets following the name change.
- Prior name was Bigeon Corp.; new name is Tancheng Group Co., Ltd.

## SEC filing metadata
- accession: 0001683168-22-008375
- form_type: 8-K
- ticker: QSJC
- cik: 0001753391
- company_name: TANCHENG GROUP CO., LTD.
- filed_at: 2022-12-13T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.2
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1753391/000168316822008375/0001683168-22-008375-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1753391/000168316822008375/bigeon_i8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001683168-22-008375
- JSON: https://secwatch.observer/filing/0001683168-22-008375.json
- Plain text: https://secwatch.observer/filing/0001683168-22-008375.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.