| LONGWEI INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| MACH INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAPLE INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| MARS INSTRUMENTS LIMITED | Private company limited by shares | Live |
| China Instruments New Material International Limited | | Live |
| SINO-TECH INSTRUMENTS & MATERIALS (HongKong) Co., LIMITED | Private company limited by shares | Live |
| OCEAN INSTRUMENTS & MATERIALS (HK) LIMITED | Private company limited by shares | Live |
| YUE XIU MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| WE RUN MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YOU YI MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| WAH HON MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| 3-MED MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Baiansy Medical Instruments Limited | Private company limited by shares | Live |
| CHAO YUE MEDICAL INSTRUMENTS (HK) LIMITED | Private company limited by shares | Live |
| CHAOYUE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| KINGTAX (CHINA) MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| CHINA YOUJIE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| GELINLAB MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| HENAN GORE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| HOWELL MEDICAL APPARATUS AND INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| MERSON MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| NINGBO CARE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| NINGBO CLAND MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| NINGBO ECHO MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| NINGBO FINER MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| NINGBO HONDE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Ningbo Wellwin Medical Instruments Co., Limited | Private company limited by shares | Live |
| Dr. Pharmacy & Medical Instruments Co., Limited | Private company limited by shares | Live |
| SUMBOW MEDICAL INSTRUMENTS CO., LIMITED | | Live |
| HK TUOKANG MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Zhaoyang Medical Instruments Co., Limited | Private company limited by shares | Live |
| Comen Medical Instruments Limited | Private company limited by shares | Live |
| SHENZHEN COMEN MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| DIAMOND MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| EAST WIND MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| Fanghua Medical instruments Co., Limited | | Live |
| Shenzhen FeiHuan Medical Instruments Co., Limited | Private company limited by shares | Live |
| FORLONG MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| LHM Medical Instruments Group Limited | Private company limited by shares | Live |
| APAC MEDICAL INSTRUMENTS GROUP LIMITED | Private company limited by shares | Live |
| GUANGZHOU MINGHUI MEDICAL INSTRUMENTS CO., LIMITED | | Live |
| HANSEN MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| KAITE MEDICAL INSTRUMENTS LIMITED | | Live |
| KAKI MEDICAL INSTRUMENTS (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEERJIAN MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| MAANSHAN BOND MEDICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| MERIDIAN MEDICAL INSTRUMENTS HK LIMITED | Private company limited by shares | Dissolved |
| NINGBO MFLAB MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| MICROLINK MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| OARROW MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Ousos Medical Instruments Co., Limited | Private company limited by shares | Live |
| TAK MAN MEDICAL INSTRUMENTS & PHARMACEUTICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Pacific Medical Instruments (PMI) Limited | Private company limited by shares | Live |
| NINGBO RESTO MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| ZHEJIANG RUNQIANG MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| SCANDINAVIA MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI EVON MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI YI-MING MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| SONGWORD MEDICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| Medical Instruments and Technologies Limited | Private company limited by shares | Live |
| TECO MEDICAL INSTRUMENTS (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TICARE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| U.S. MEDICAL INSTRUMENTS, LIMITED | Private company limited by shares | Dissolved |
| WEIMING MEDICAL INSTRUMENTS LIMITED | | Live |
| YINGMED MEDICAL INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| YUYUE MEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| MEDILAB INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| Megphy Instruments Co., Limited | Private company limited by shares | Live |
| Meideal Musical Instruments Co., Limited | Private company limited by shares | Live |
| MEIGI MUSICAL INSTRUMENTS TRADING CO., LIMITED | Private company limited by shares | Live |
| MEISHENG MUSICAL INSTRUMENTS (H.K) CO., LIMITED | Private company limited by shares | Live |
| Melody Musical Instruments Corporation Limited | Private company limited by shares | Live |
| MERIDIAN INSTRUMENTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MITEK SCIENTIFIC INSTRUMENTS LIMITED | Private company limited by shares | Live |
| MULTI INSTRUMENTS HONG KONG LIMITED | Private company limited by shares | Live |
| SKY MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| JAE MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| FINO MUSICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| GALAXY MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| GRAND MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| AXL MUSICAL INSTRUMENTS (HK) LIMITED | Private company limited by shares | Live |
| Katra Musical Instruments Limited | Private company limited by shares | Live |
| MERIDA MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| NGAI FAI MUSICAL INSTRUMENTS CO. LIMITED | Private company limited by shares | Live |
| WALTER MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| NAPCO PRECISION INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| China National Instruments Import & Export (HK) Limited | Private company limited by shares | Live |
| NATIONAL INSTRUMENTS HONG KONG LIMITED | Private company limited by shares | Live |
| Natural Instruments Hongkong Limited | Private company limited by shares | Live |
| NEWTON INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| NUPOWER INSTRUMENTS LIMITED | Private company limited by shares | Live |
| NUTEK INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Omnia Instruments Limited | Private company limited by shares | Live |
| ONWAY AIRLINE INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| HALO OPTICAL ELECTRONIC INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| Hawk Optical Instruments International Corporation Limited | Private company limited by shares | Live |
| Swift Optical Instruments Limited | Private company limited by shares | Dissolved |
| WINNER OPTICAL INSTRUMENTS GROUP COMPANY LIMITED | Private company limited by shares | Live |
| OPTICS FOCUS INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| ORCHID INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |