| BRIGHT ELECTRONIC CIRCUITS LIMITED | Private company limited by shares | Live |
| BRIGHTECH CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| CAMLIFT CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| CAMTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| Zhuhai Camtech Circuits Co., Limited | Private company limited by shares | Dissolved |
| CARVEN CIRCUITS LIMITED | Private company limited by shares | Live |
| CON CENTRIC CIRCUITS COMPANY LIMITED | Private company limited by shares | Live |
| PRINTED CIRCUITS TECHNOLOGY (CHINA) LIMITED | Private company limited by shares | Live |
| IFC CIRCUITS CO., LIMITED | Private company limited by shares | Dissolved |
| TBS Circuits Co., Limited | Private company limited by shares | Live |
| DSX Circuits Co., Limited | Private company limited by shares | Dissolved |
| A-Tech Circuits Co., Limited | Private company limited by shares | Live |
| Champion Asia Circuits Co., Limited | Private company limited by shares | Live |
| EAST CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Fastline Circuits Co., Limited | Private company limited by shares | Live |
| SHENZHEN FOUNDING CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| GENERAL CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| HITECH CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN HUIHE CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| KEEP MOVING CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| HK NATIONAL INTEGRATED CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Asia Pacific Circuits Co., Limited | Private company limited by shares | Live |
| PROMINENT CIRCUITS CO., LIMITED | Private company limited by shares | Dissolved |
| RUNTOP CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SHENNAN CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| Shiyu Circuits Co., Limited | Private company limited by shares | Live |
| SINOWAY CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| STARIVER CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| SUNTETCH CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| GT CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Q&D Circuits Technology Co., Limited | Private company limited by shares | Live |
| Top Circuits Technology Co., Limited | Private company limited by shares | Live |
| Asinda Circuits Technology Co., Limited | Private company limited by shares | Live |
| ON BOARD CIRCUITS TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Topline Circuits Co., Limited | | Live |
| Toptech Circuits Co., Limited | Private company limited by shares | Live |
| UNIT CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| COJOIN CIRCUITS LIMITED | Private company limited by shares | Live |
| Cojoin circuits HK Limited | | Live |
| ADVANCED ANALOG CIRCUITS CORPORATION LIMITED | Private company limited by shares | Live |
| EVERWIN CIRCUITS DIESETS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| ELECTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| SUNKING CIRCUITS ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| TOP CIRCUITS ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| TOP CIRCUITS ELECTRONICS LIMITED | Private company limited by shares | Live |
| HENSENSE CIRCUITS ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| ESTEC CITY CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| HK EXCEL CIRCUITS LIMITED | Private company limited by shares | Live |
| EXCELLENT CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MUN WAH CIRCUITS FACTORY LIMITED | Private company limited by shares | Dissolved |
| MING WAH CIRCUITS FACTORY LIMITED | Private company limited by shares | Live |
| FAST CIRCUITS LIMITED | Private company limited by shares | Live |
| Shenzhen Fast Circuits HK Limited | Private company limited by shares | Live |
| Fastlink Circuits Limited | Private company limited by shares | Live |
| Sanhe Fastprint Circuits Co., Limited | Private company limited by shares | Live |
| F.C.E CIRCUITS BOARD LIMITED | Private company limited by shares | Dissolved |
| Nippon Anhua Flexible Circuits Limited | Private company limited by shares | Dissolved |
| Shenzhen Galactic Circuits Company Limited | Private company limited by shares | Live |
| GENTECH CIRCUITS LIMITED | Private company limited by shares | Live |
| Giant Change Circuits Company Limited | | Live |
| GLOBAL CIRCUITS BOARD COMPANY LIMITED | Private company limited by shares | Live |
| Global Precision Circuits Co., Limited | Private company limited by shares | Live |
| GLOBAL SUCCESS CIRCUITS CO., LIMITED | Private company limited by shares | Live |
| GLOBAL CIRCUITS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GOLDEN FIELD PRINTED CIRCUITS FACTORY LIMITED | Private company limited by shares | Dissolved |
| GOLDENTECH CIRCUITS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| GoldenTech Circuits HK International Limited | Private company limited by shares | Live |
| GoldenTech Circuits Technology Co., Limited | Private company limited by shares | Live |
| GOLDTOP CIRCUITS (HUIZHOU) COMPANY LIMITED | Private company limited by shares | Live |
| GRACE CIRCUITS LIMITED | Private company limited by shares | Live |
| GREEN CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| GREENBOARD CIRCUITS (GROUP) CO., LIMITED | Private company limited by shares | Live |
| GREENWOOD CIRCUITS LIMITED | Private company limited by shares | Live |
| SUCCESS CIRCUITS GROUP LIMITED | Private company limited by shares | Live |
| HEDING CIRCUITS CO., LIMITED | Private company limited by shares | Dissolved |
| HILLWICK CIRCUITS COMPANY LIMITED | Private company limited by shares | Dissolved |
| HI-TECH CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| HITOP CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| SAE CIRCUITS (HK) LIMITED | Private company limited by shares | Dissolved |
| CAMTECH CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| MANDATE CHIPS & CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| HUI JIE CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| CIRCCEED CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| Hongzhan Circuits (HK) Co., Limited | Private company limited by shares | Live |
| JIETENG CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| DARE FOR PRECISION CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| DICKSON CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| Precision Electronics & Circuits (HK) Limited | Private company limited by shares | Dissolved |
| SUNKING CIRCUITS ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| HURITECH CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| JING HUA (HK) CIRCUITS LIMITED | Private company limited by shares | Dissolved |
| JING EN CIRCUITS (HK) LIMITED | Private company limited by shares | Live |
| EASTERN PACIFIC CIRCUITS (HK) LIMITED | Private company limited by shares | Dissolved |
| Paean Circuits Technology (HK) Co., Limited | Private company limited by shares | Live |
| DRAGON PRECISION CIRCUITS (H.K.) LIMITED | Private company limited by shares | Live |
| STARIVER CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| STARIVER CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |
| CENTURY CIRCUITS TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| SAMWAY (HK) CIRCUITS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WELL CIRCUITS (HK) CO., LIMITED | Private company limited by shares | Live |