| Medical Instrument Solutions Limited | | Live |
| SPACE MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SUNSHINE MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SWAN MEDICAL INSTRUMENT CO., LIMITED | | Live |
| KONG YAN MEDICAL INSTRUMENT AND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CHINA MEDICAL INSTRUMENT TRADING LIMITED | Private company limited by shares | Live |
| TIANSONG MEDICAL INSTRUMENT TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| NEW MEDICAL INSTRUMENT INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Unimed Medical Instrument Company Limited | | Live |
| WELLMED MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| HK XINYUAN MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| YEARMOON MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| JIANGXI YILES MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| FOSHAN YIMI MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| YUANZHONG MEDICAL INSTRUMENT (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUANZHONG MEDICAL INSTRUMENT (OVERSEAS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUNSHENG MEDICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| ZHEJIANG BROTHER MEDICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| ZHEJIANG ZHOUKANG MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| MEDITEC INSTRUMENT LIMITED | Private company limited by shares | Live |
| MEDI-TECH INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| MEDI-TECH INSTRUMENT COMPANY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| MEGA INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| Meiyuda Instrument Co., Limited | | Live |
| Micromeritics Instrument (China) Limited | Private company limited by shares | Dissolved |
| MINGLE INSTRUMENT LIMITED | Private company limited by shares | Live |
| Mingrui Electronic Instrument Service Limited | Private company limited by shares | Live |
| MINGTEK INSTRUMENT (HK) TECHNOLOGY LIMITED | | Live |
| MITECH INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| MOVEL SCIENTIFIC INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| RO PO MUSIC INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Windflower Music Instrument Co., Limited | Private company limited by shares | Live |
| XIAOYANG MUSIC INSTRUMENT LIMITED | Private company limited by shares | Live |
| Anping Mei Musical Instrument Limited | Private company limited by shares | Live |
| SHENZHEN DOYIMI MUSICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| MORRISON MUSICAL INSTRUMENT (HK) LIMITED | Private company limited by shares | Live |
| KOWLOON MUSICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Leto Musical Instrument Company Limited | Private company limited by shares | Live |
| NATIONAL OPTICAL INSTRUMENT SUPPLY LIMITED | Private company limited by shares | Live Commenced dormancy on 05-Oct-2015 |
| NETENT INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| Neuworks Instrument Limited | Private company limited by shares | Live |
| NICOLET INSTRUMENT (ASIA) LIMITED | Private company limited by shares | Dissolved |
| GERMANY NOCOO ANALYSIS INSTRUMENT TECH LIMITED | Private company limited by shares | Live |
| OBLE MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| OPTICAL INSTRUMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Nuohai Optical Instrument Equipment (China) Limited | Private company limited by shares | Live |
| New Century Optical Instrument Co., Limited | Private company limited by shares | Live |
| MARLBORON OPTICAL & INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| GALAXIER OPTICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| KEPLER OPTICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| LENSER OPTICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| NANYANG HENGDA OPTICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| XINXIANG OPTICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| Precision Instrument and Optics Limited | Private company limited by shares | Live |
| Haike Sirui Optoelectrics Instrument Limited | Private company limited by shares | Live |
| Oriental Instrument Co., Limited | | Live |
| ORIENTAL SCIENTIFIC INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Padishah Instrument Technology Co., Limited | Private company limited by shares | Live |
| Photoelectric Instrument Co., Limited | Private company limited by shares | Live |
| GERMANY POSLON PHOTOELECTRICITY INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| CoLand Photography Instrument Limited | Private company limited by shares | Live |
| GERMANY KUPO PIANO INSTRUMENT LIMITED | Private company limited by shares | Live |
| TIMES PIANO INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| POLYTECH INSTRUMENT LIMITED | Private company limited by shares | Live |
| KEY POWER INSTRUMENT LIMITED | Private company limited by shares | Live |
| NEW C & A PRACTICE INSTRUMENT COMPANY, LIMITED | Private company limited by shares | Live |
| PRECISION INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| Precision Scientific Instrument Limited | Private company limited by shares | Live |
| WANTONG PRECISION INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| QUANTA INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| QUEEN MUSICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| HK RAMIS MUSICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| HK RAYTECH INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| INSTRUMENT RENTALS LIMITED | Private company limited by shares | Dissolved |
| RISING INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| KAI RONG MUSICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| RUNHAO MUSICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| FEE LUN SAFETY INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SAISI INSTRUMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| Sandy Instrument Co. Limited | Private company limited by shares | Live |
| SATIDE MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| SCIENTECHNIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TD SCIENTIFIC INSTRUMENT LIMITED | Private company limited by shares | Live |
| SCIENTIFIC INSTRUMENT SOFTWARE CORPORATION LIMITED | Private company limited by shares | Live |
| Dingxin Scientific Instrument Limited | Private company limited by shares | Live |
| Elites Scientific Instrument Limited | Private company limited by shares | Live |
| Insmart Scientific Instrument Limited | Private company limited by shares | Live |
| HK Jili Scientific Instrument Company Limited | Private company limited by shares | Live |
| Jingshi Scientific Instrument Limited | Private company limited by shares | Live |
| NOVAE SCIENTIFIC INSTRUMENT COMPANY LIMITED | | Live |
| PACIFIC SCIENTIFIC INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| SAAK-MAR SCIENTIFIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNI-ASIA SCIENTIFIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| SCI-Lab Instrument International Limited | Private company limited by shares | Live |
| SCOTT INSTRUMENT & EQUIPMENT LIMITED | | Live |
| SEJIN INSTRUMENT HK LIMITED | Private company limited by shares | Dissolved |
| SELECT INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| SEMICONTEC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| ANTACT SENSORS INSTRUMENT (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Shandong ShanChuan Medical Instrument Co., Limited | Private company limited by shares | Live Commenced dormancy on 24-Nov-2015 |