| KAM TAI (HONG KONG) MUSICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| YA YUN (HONG KONG) MUSICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINGER MUSICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| HONG KONG KEI XIN PRECISION INSTRUMENT LIMITED | Private company limited by shares | Live |
| HONG KONG RONG LI INSTRUMENT LIMITED | Private company limited by shares | Live |
| HONG KONG SCIENTIFIC INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Separations Instrument Co., Limited | Private company limited by shares | Live |
| Hong Kong Ya Song Medical Instrument Company Limited | Private company limited by shares | Live |
| HONG KONG SOUTH INSTRUMENT CO. LIMITED | Private company limited by shares | Live |
| HONG KONG XING DAO INSTRUMENT GAUGE LIMITED | Private company limited by shares | Live |
| HONG KONG YIDEHUA INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Hong Kong YoungLine Instrument Co., Limited | Private company limited by shares | Live |
| Hong Kong Zhundian Testing Instrument Limited | Private company limited by shares | Live |
| Seasonic instrument (Hongkong) Co., Limited | Private company limited by shares | Live |
| HITECH INSTRUMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| Hoyang Instrument Limited | | Live |
| HUAKE INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Huake Instrument Hk Co., Limited | Private company limited by shares | Live |
| HUAYANG MUSICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Dissolved |
| HUAYANG MUSICAL INSTRUMENT CORP. LIMITED | Private company limited by shares | Live |
| HUA-YEE INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| Hutchison Instrument & Equipment Company Limited | Private company limited by shares | Dissolved |
| Ideal Musical Instrument Co., Limited | Private company limited by shares | Dissolved |
| BJ INSTRUMENT IMP&EXP LIMITED | Private company limited by shares | Dissolved |
| LONGSOUND MUSICAL INSTRUMENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Goldgood Instrument (HK) Industry Limited | Private company limited by shares | Live |
| Intelligent Precision Instrument ( HongKong ) Co., Limited | Private company limited by shares | Live |
| InterLab Instrument Co., Limited | Private company limited by shares | Live |
| Iopto optic instrument (HK) Co., Limited | Private company limited by shares | Live |
| JIANGSU CREATIVE INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| JIANGSU KANGJIN MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| JINAN MINGQUAN WRITING INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| JINCHENG INSTRUMENT LIMITED | Private company limited by shares | Live |
| Dongguan Jing Yu Instrument Co., Limited | Private company limited by shares | Live |
| JINGGONG INSTRUMENT LIMITED | Private company limited by shares | Live |
| Jinkai Instrument (Hong Kong) Co., Limited | Private company limited by shares | Live |
| CHANGCHUN JUNCHENG OPTICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| JUNZE INSTRUMENT EQUIPMENT LIMITED | Private company limited by shares | Live |
| KALOON INSTRUMENT LIMITED | Private company limited by shares | Live |
| Kama Medical Instrument Co., Limited | Private company limited by shares | Live |
| KARNY INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| KEYI (HONG KONG) INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| KEYRAY INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| KINGSMARK INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| LABEX INSTRUMENT LIMITED | Private company limited by shares | Dissolved |
| LEADER INSTRUMENT LIMITED | Private company limited by shares | Live |
| Leaderwe Instrument Limited | Private company limited by shares | Live |
| Lexus Instrument Limited | Private company limited by shares | Live |
| BEST LIFE MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| LINKGOLD MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Longsheng HK Instrument Limited | Private company limited by shares | Live |
| LONGTIAN INTELLECTUAL INSTRUMENT (HONGKONG) LIMITED | Private company limited by shares | Live |
| INDUSTRIAL INSTRUMENT AND MACHINERIES, LIMITED | Private company limited by shares | Dissolved |
| DONGGUAN MAGENTA MEDICAL INSTRUMENT INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| MAGNETIC INSTRUMENT (H.K.) LIMITED | Private company limited by shares | Live |
| MAIGE INSTRUMENT LIMITED | Private company limited by shares | Live |
| MAIKENI INSTRUMENT LIMITED | Private company limited by shares | Live |
| SWING MUSICAL INSTRUMENT MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| SCIENTIFIC INSTRUMENT BULB MANUFACTURING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GEO MARINE INSTRUMENT COMPANY LIMITED | Private company limited by shares | Live |
| MARINE SCIENTIFIC INSTRUMENT LIMITED | | Live |
| Matelion Instrument (Hongkong) Limited | Private company limited by shares | Live |
| SCS MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| BONDWAY MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| BOXING MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| FOSHAN NEW CARE MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| China Medical Instrument Promotion Association Limited | Private company limited by shares | Live |
| CHUANGFENG MEDICAL INSTRUMENT LIMITED | | Live |
| DA MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| KND Medical Instrument Co., Limited | Private company limited by shares | Live |
| LX MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| ATENA MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| FOSHAN BORA MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Canwell Medical Instrument Co., Limited | Private company limited by shares | Live |
| Creative Medical Instrument Co., Limited | Private company limited by shares | Live |
| DEVISION MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| FOMOS MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| FOSHAN GLADENT MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| HK HEMAO MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| CHARMING MEDICAL INSTRUMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| NANJING HOSHIN MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| KANGYOU MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Nantong Xiangtai Medical Instrument Co., Limited | Private company limited by shares | Live |
| NINGBO RINOVER MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Ningbo Wiedoo Medical Instrument Co., Limited | Private company limited by shares | Live |
| ORCHID MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| Senhai Medical Instrument Co., Limited | Private company limited by shares | Live |
| MEDICAL INSTRUMENT SYSTEM (HK) CO., LIMITED | Private company limited by shares | Live |
| Victory Medical Instrument Co., Limited | Private company limited by shares | Live |
| Western Medical Instrument Co., Limited | Private company limited by shares | Live |
| FOSHAN YUCHUAN MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| CONLIN MEDICAL INSTRUMENT CO., LIMITED | Private company limited by shares | Live |
| DIANYUAN MEDICAL INSTRUMENT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| East Forest Medical Instrument Limited | Private company limited by shares | Live |
| FOCUS MEDICAL INSTRUMENT LIMITED | Private company limited by shares | Live |
| FORTUNER MEDICAL INSTRUMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| General Medical Instrument Company Limited | Private company limited by shares | Live |
| GUODIAN GLOBAL MEDICAL INSTRUMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| GOOD MEDICAL INSTRUMENT (CHINA) LIMITED | Private company limited by shares | Live |
| HK YUXIN MEDICAL INSTRUMENT GROUP LIMITED | Private company limited by shares | Live |