| Pianoforte Asia Pacific Limited | Private company limited by shares | Live |
| HK AYA PIANOFORTE SHARES LIMITED | Private company limited by shares | Live |
| PIANOFORTE STUDIO LIMITED | Private company limited by shares | Live |
| PianoKids Limited | Private company limited by shares | Live |
| CHINA PIANO-MOULD INDUSTRIAL LIMITED | Private company limited by shares | Live |
| PIANOMUSIC.CHINA LIMITED | Private company limited by shares | Live |
| HONG KONG POLCA PIANOS CO., LIMITED | Private company limited by shares | Live |
| Germany Haishu Pianos Limited | Private company limited by shares | Live |
| Germany Kasate Pianos Limited | Private company limited by shares | Live |
| Germany Grotrrian-Steinweg Pianos Manufacturing Co., Limited | Private company limited by shares | Live |
| Hong Kong (Germany) Neugebauer Pianos Limited | Private company limited by shares | Live |
| YIDAN PIANOS INTERNATIONAL ART EDUCATION GROUP LIMITED | Private company limited by shares | Live |
| Germany Kanuoyi Pianos Limited | Private company limited by shares | Live |
| WEBER PIANOS LIMITED | Private company limited by shares | Dissolved |
| HK PIANSHAN BIOLOGICAL TECHNOLOGY CO., LIMITED | | Live |
| PIANT GLOBAL OPTICS CO., LIMITED | Private company limited by shares | Live |
| PIANT OPTICS CO., LIMITED | Private company limited by shares | Live |
| PIANTO BUSINESS LIMITED | Private company limited by shares | Live |