| BST Instruments China Limited | Private company limited by shares | Live |
| SCR INSTRUMENTS CHINA LIMITED | Private company limited by shares | Live |
| DAT INSTRUMENTS (CHINA & HK) COMPANY LIMITED | Private company limited by shares | Live |
| CHINA BPIC SURVEYING INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| China Instruments Group Co., Limited | Private company limited by shares | Live |
| KEMP INSTRUMENTS (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| INSTRUMENTS & EQUIPMENT (CHINA) LIMITED | Private company limited by shares | Live |
| FELLES PHOTONIC INSTRUMENTS (CHINA) LIMITED | Private company limited by shares | Live |
| LETMEET MUSICAL INSTRUMENTS (CHINA) CO., LIMITED | Private company limited by shares | Live |
| Macy (China) Instruments Inc Limited | Private company limited by shares | Live |
| SONOR MUSICAL INSTRUMENTS (CHINA) LIMITED | Private company limited by shares | Live |
| Texas Instruments China Sales Limited | Private company limited by shares | Live |
| TESTEK INSTRUMENTS CHINA LIMITED | Private company limited by shares | Dissolved |
| CHONG NING INSTRUMENTS COMPANY LIMITED | Private company limited by shares | Live |
| EK CHOR INSTRUMENTS INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLEANDE SCIENTIFIC INSTRUMENTS (HK) LIMITED | Private company limited by shares | Live |
| INFINITY CLINICAL INSTRUMENTS LIMITED | Private company limited by shares | Live |
| CLOUDMUSIC MUSICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| DHS INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| DLI INSTRUMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| Sol Instruments Co., Limited | Private company limited by shares | Live |
| UC INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| DHS INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| XKF Instruments Co., Limited | Private company limited by shares | Live |
| T&M INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| GST Instruments Co., Limited | | Live |
| Advanced Instruments Co., Limited | Private company limited by shares | Live |
| KA Instruments (Asia) Co., Limited | Private company limited by shares | Live |
| Avantgarde Scientific Instruments Co., Limited | | Live |
| Biolekon Scientific Instruments Co., Limited | Private company limited by shares | Live |
| BIOMEDICAL INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| BIOMEDICAL INSTRUMENTS HK CO., LIMITED | | Live |
| HK EASTERN-DATAPHY INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| EASYMED INSTRUMENTS CO., LIMITED | Private company limited by shares | Live |
| 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 |