Tel：
0755-86667996
Fax：
0755-86667933
Email：
investors@cdthb.cn
Add：
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SEC Filings
| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| 424B3 | Documents | Prospectus [Rule 424(b)(3)] | 2026/04/20 |
333-293986 26871786 |
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