---
schema_version: "secwatch.filing_event.v1"
accession: "0001753391-22-000014"
form_type: "8-K"
ticker: "QSJC"
cik: "0001753391"
company_name: "TANCHENG GROUP CO., LTD."
filed_at: "2022-09-09T23:59:59+00:00"
generated_at: "2026-06-23T12:06:30.431476+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Bigeon Corp. changes control: 79.9% stake sold to Tancheng; Yu Yang becomes sole director

## Summary
- Olegas Tunevicius sold 3,500,000 shares (79.9% of outstanding) to Shanxi Qiansui Tancheng Culture Media for $424,849.25.
- Yu Yang (39) appointed CEO, CFO, Secretary and sole director effective August 31, 2022.
- Company is a shell; Purchaser intends to acquire an ongoing business post-closing.
- Seller resigned as sole officer/director; no family relationship with Purchaser.

## SEC filing metadata
- accession: 0001753391-22-000014
- form_type: 8-K
- ticker: QSJC
- cik: 0001753391
- company_name: TANCHENG GROUP CO., LTD.
- filed_at: 2022-09-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 5.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1753391/000175339122000014/0001753391-22-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1753391/000175339122000014/form_8kup.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001753391-22-000014
- JSON: https://secwatch.observer/filing/0001753391-22-000014.json
- Plain text: https://secwatch.observer/filing/0001753391-22-000014.txt

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