杨东成
杨东成. RichGeo records an estimated net worth of $934.94K as of 2026-11-13.
$934.94K
Estimated from public shareholdings
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Citizenship
1
Associated companies
Publicly Disclosed Shareholdings
| Company | Market | Ownership | Estimated stake value |
|---|---|---|---|
| Echo International Holdings Group Limited | Hong Kong | 12.18% | $934.94K |
Cross-listed and indirect stakes are adjusted in the net worth calculation. Read the methodology.
Associated Companies
| Company | Role | Headquarters |
|---|---|---|
| Echo International Holdings Group Limited08218.HK | Owner | Hong Kong |
Locations
Birthplace: Undisclosed
Associated headquarters: Hong Kong