Exhibit 21.1
SUBSIDIARIES OF SECURETECH INNOVATIONS, INC.
SecureTech Innovations, Inc., a Wyoming company (“SecureTech”), has the following subsidiaries as of March 24, 2026:
Subsidiaries (Entity Name) |
|
Jurisdiction |
| SecureTech Ownership |
|
Principal Activities |
|
|
|
|
|
|
|
AI UltraProd, Inc. |
| Wyoming |
| 100.0% |
| US holding company for AI 3D printing and additive manufacturing assets |
Aiultraprod Group Limited |
| Hong Kong |
| 100.0% |
| IP holding & Asia-Pacific sales hub |
Zhejiang Jizhu Technology Company Limited |
| PRC |
| 90.0% (indirect) |
| R&D, 3D printing, robotics manufacturing, and materials |
Jizhu Technology (Huzhou) Company Limited |
| PRC |
| 89.3% (indirect) |
| Scientific research and technical services |
Piranha Blockchain, Inc. |
| Wyoming |
| 100.0% |
| Cybersecurity & blockchain platforms |
Piranha Blockchain, Ltd. |
| Anguilla |
| 100.0% |
| International digital-asset services |
Terra Nova Technologies, Inc. |
| Wyoming |
| 100.0% |
| Top Kontrol brand holding entity |
Top Kontrol, LLC |
| Wyoming |
| 100.0% |
| Anti-theft/anti-carjacking systems |
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