| GuoOu Instruments (HK) Co., Limited | Private company limited by shares | Live |
| HEAVER INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Henan Hi-Tech Instruments Co., Limited | Private company limited by shares | Live |
| DSA INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| WISDOM INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| Hongguang Instruments Co., Limited | Private company limited by shares | Live |
| HUAYI INSTRUMENTS INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| HYGENT MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| LEADWIN INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| MOSS INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| ACE MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| PX MUSICAL INSTRUMENTS FACTORY CO., LIMITED | Private company limited by shares | Live |
| Happy Musical Instruments Co., Limited | Private company limited by shares | Live |
| ZHENXING MUSICAL INSTRUMENTS (H.K.) CO., LIMITED | Private company limited by shares | Live |
| LANCELOT MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| LAWRENCE MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| AND ONE MUSICAL INSTRUMENTS (MALAYSIA) CO., LIMITED | Private company limited by shares | Live |
| ZIRCON MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| Ningbo AMZ Instruments Co., Limited | Private company limited by shares | Live |
| AOG Precision Instruments Co., Limited | Private company limited by shares | Live |
| PANTAI PRECISION INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| RDNA Scientific Instruments Co., Limited | | Live |
| Bo Hui Scientific Instruments Co., Limited | Private company limited by shares | Dissolved |
| DE CHENG SCIENTIFIC INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| CONTRAST SCIENTIFIC INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| LINSEIS SCIENTIFIC INSTRUMENTS Co., LIMITED | | Live |
| Nanjing Rayleigh Scientific Instruments Co., Limited | | Live |
| Shengtian Scientific Instruments Co., Limited | Private company limited by shares | Live |
| HK Winde Scientific Instruments Co., Limited | Private company limited by shares | Live |
| South Instruments (Hongkong) Co., Limited | Private company limited by shares | Live |
| TECHWIN INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| TOPOLOGY INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| UPTECH INSTRUMENTS CO., LIMITED | | Live |
| VIKKO INSTRUMENTS CO., LIMITED | | Live |
| Yolimed Instruments Co., Limited | Private company limited by shares | Live |
| Yuda Instruments Co., Limited | Private company limited by shares | Live |
| Zotek Instruments Co., Limited | Private company limited by shares | Live |
| Come Instruments (HongKong) Co., Limited | Private company limited by shares | Dissolved |
| Conre Scientific Instruments Co., Limited | Private company limited by shares | Live |
| CORELEX INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| CREATRONIC INSTRUMENTS (INTERNATIONAL) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CROMPTON INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| Deephills Instruments Limited | | Live |
| Leident dental instruments co., Limited | Private company limited by shares | Dissolved |
| DIGITEK INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| DIGITMEX INSTRUMENTS LIMITED | Private company limited by shares | Live |
| DRAGON INSTRUMENTS CO. LIMITED | Private company limited by shares | Dissolved |
| DYNAMIC INSTRUMENTS & ENGG CO., LIMITED | Private company limited by shares | Live |
| EASYSCI INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| ELECTRA INSTRUMENTS, LIMITED | Private company limited by shares | Dissolved |
| TRIUMPH ELECTRICAL INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPS ELECTRICALS & INSTRUMENTS LIMITED | Private company limited by shares | Live |
| WELLS ELECTRICALS & INSTRUMENTS LIMITED | Private company limited by shares | Live |
| Inqi Electronic Instruments Co., Limited | Private company limited by shares | Live |
| Meilan Electronics Instruments (HK) Co., Limited | Private company limited by shares | Live |
| ELITE ELECTRONICS INSTRUMENTS LIMITED | Private company limited by shares | Live |
| TSINLIEN ELECTRONICS & INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| GROUND ENGINEERING INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| Eria Instruments Limited | Private company limited by shares | Live |
| ETRAN INSTRUMENTS ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| EVER FAIR SCIENTIFIC INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| RVR Instruments Import and Export Limited | Private company limited by shares | Live |
| EXTECH INSTRUMENTS HK LIMITED | Private company limited by shares | Live |
| FEIXIANG MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| FERMI INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| FESHANM MUSICAL INSTRUMENTS MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| FINE TUNED INSTRUMENTS LIMITED | Private company limited by shares | Live |
| FIRTEK INSTRUMENTS (CHINA) LIMITED | Private company limited by shares | Live |
| F.O.B. INSTRUMENTS LIMITED | Private company limited by shares | Live |
| FORTUNE INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| FUJITONE MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| GAEA INSTRUMENTS LIMITED | Private company limited by shares | Live |
| GANTNER INSTRUMENTS CHINA LIMITED | Private company limited by shares | Live |
| Grotrian-Steinweg (Braunschweig Germany) Musical Instruments Company Limited | Private company limited by shares | Live |
| Germany Desik Instruments Group Limited | Private company limited by shares | Live |
| Gflow Instruments Co., Limited | Private company limited by shares | Live |
| Global Scientific Instruments and Equipments Company Limited | Private company limited by shares | Live |
| GODA Instruments Limited | Private company limited by shares | Live |
| GODA INSTRUMENTS INTERNATIONAL CO., LIMITED | | Live |
| GOLAB INSTRUMENTS. CO ., LIMITED | Private company limited by shares | Live |
| Gold APP Instruments Corporation Limited | Private company limited by shares | Live |
| Grand Buy Instruments Company Limited | Private company limited by shares | Live |
| SHENZHEN GRAND MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| GRANDWIDE MEDICAL APPARATUS & INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK Green Musical Instruments Limited | Private company limited by shares | Live |
| Greyline Instruments (China) Co., Limited | Private company limited by shares | Live |
| Greyline Measurement Instruments (China) Co., Limited | | Live |
| HT INSTRUMENTS GROUP CO., LIMITED | Private company limited by shares | Live |
| LABFREEZ INSTRUMENTS GROUP CO., LIMITED | Private company limited by shares | Live |
| EXPLOITPR INSTRUMENTS GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| HK MEIDI BEAUTY INSTRUMENTS INT'L GROUP LIMITED | Private company limited by shares | Live |
| SPECTRUM INSTRUMENTS (GROUP) CO., LIMITED | Private company limited by shares | Live |
| GUANGZHOU OCAR MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| HAMEG INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| HK HETIAN MUSICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| HighTop Medical Instruments Co., Limited | Private company limited by shares | Live |
| HI-TECH INSTRUMENTS LIMITED | Private company limited by shares | Dissolved |
| LEO INSTRUMENTS (H.K.) LIMITED | Private company limited by shares | Live |
| KMY INSTRUMENTS (HK) LIMITED | Private company limited by shares | Dissolved |
| RST INSTRUMENTS (HK) LIMITED | Private company limited by shares | Live |