| HK TIANYIN GROUP LIMITED | Private company limited by shares | Live |
| Tianyin Group Limited | | Live |
| HK TIANYIN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TIANYIN TRADING LIMITED | Private company limited by shares | Live |
| TIANYING INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| TianYing Holding Limited | Private company limited by shares | Live |
| TIANYING YAMAHA JOINT-STOCK COMPANY LIMITED | Private company limited by shares | Live |
| Ocean Tianying Shipping Limited | Private company limited by shares | Live |
| Tianying Technology Limited | Private company limited by shares | Dissolved |
| TIANYING DIGITAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK TIANYING TRADE LIMITED | Private company limited by shares | Live |
| Tianying Trading Limited | Private company limited by shares | Live |
| CHINA HK TIANYINGLONG INTERNATIONAL INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |