| Brightstar prototype CNC Co., Limited | | Live |
| HK LT CENTURY PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| LT CENTURY PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| DADESIN PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| Faster Prototype Co., Limited | Private company limited by shares | Dissolved |
| Looker Prototype Co., Limited | Private company limited by shares | Dissolved |
| SG PROTOTYPE MANUFACTURER CO., LIMITED | Private company limited by shares | Live |
| JG Prototype Manufacturer Co., Limited | Private company limited by shares | Live |
| Ivy Prototype Manufacturing Co., Limited | Private company limited by shares | Live |
| A Prototype Manufacturing Co., Limited | Private company limited by shares | Live |
| LK Prototype Molding Co., Limited | Private company limited by shares | Live |
| XSHENG PROTOTYPE CO., LIMITED | Private company limited by shares | Live |
| TEAM CREATION PROTOTYPE & DESIGN LIMITED | Private company limited by shares | Dissolved |
| Prototype Creative Co. Limited | | Live |
| Prototype Design Company Limited | Private company limited by shares | Live |
| SPECIAL DESIGN (PROTOTYPE SERVICE) LIMITED | Private company limited by shares | Dissolved |
| Insight Prototype Co., Limited | | Live |
| 3A PROTOTYPE MANUFACTURING LIMITED | Private company limited by shares | Live |
| METALSTAR PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| HEXICONN MOLD & PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| Myth Prototype Limited | | Live |
| Prefect Goods Prototype Co., LIMITED | Private company limited by shares | Live |
| Leshine Rapid Prototype Co., Limited | Private company limited by shares | Live |
| SY laser Rapid Prototype Co., Limited | Private company limited by shares | Live |
| Metal Rapid Prototype CO., LIMITED | Private company limited by shares | Live |
| APA Rapid Prototype Technology Co., Limited | Private company limited by shares | Live |
| MAINSTREAM RAPID PROTOTYPE TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SANWA ENGRAVE & PROTOTYPE COMPANY LIMITED | Private company limited by shares | Live |
| SENMEI PROTOTYPE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Prototype Studio Limited | Private company limited by shares | Live |
| PROTOTYPE SYSTEM LIMITED | Private company limited by shares | Live |
| Unique Prototype Technology Co., Limited | Private company limited by shares | Live |
| WellSolid Prototype Limited | Private company limited by shares | Live |
| YOUDE PROTOTYPE LIMITED | Private company limited by shares | Live |
| Hua Zheng Prototype Technology Co., Limited | Private company limited by shares | Live |
| Prototype.com Limited | | Live |
| EXL PROTOTYPES LIMITED | | Live |
| INCO Prototypes Manufacturing Co., Limited | | Live |
| Besten Prototyping Manufacturing Limited | Private company limited by shares | Live |
| BORDERSUN PROTOTYPING LIMITED | Private company limited by shares | Live |
| HK GL PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| Artisan Prototyping and Tooling Co., Limited | Private company limited by shares | Live |
| JITA Pre-Series Prototyping Co., Limited | Private company limited by shares | Live |
| HK GUANGYUAN PROTOTYPING TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SKY PROTOTYPING AND TOOLING CO., LIMITED | Private company limited by shares | Live |
| SKY PROTOTYPING AND TOOLING CO., LIMITED | Private company limited by shares | Live |
| Guannuo Prototyping and Tooling Co., Limited | Private company limited by shares | Live |
| GAOFENG (HK) PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| KAIERWO (HK) PROTOTYPING LIMITED | Private company limited by shares | Live |
| HONG KONG GENTECH HARDWARE PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| Ideal Rapid Prototyping HongKong Limited | Private company limited by shares | Live |
| Hongkong YD Rapid Prototyping Co., Limited | Private company limited by shares | Live |
| CHESTER INTERNATIONAL PROTOTYPING AND TOOLING LIMITED | Private company limited by shares | Dissolved |
| LERTHREE PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| Pulse Prototyping Limited | Private company limited by shares | Live |
| 3E RAPID PROTOTYPING LIMITED | Private company limited by shares | Live |
| HAOSHENG RAPID PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| NANJING BEIQI RAPID PROTOTYPING CO., LIMITED | Private company limited by shares | Live |
| GOOD MARK RAPID PROTOTYPING CO., LIMITED | Private company limited by shares | Dissolved |
| RAPID PROTOTYPING GROUP LIMITED | Private company limited by shares | Live |
| LUXFORM RAPID PROTOTYPING CO. LIMITED | Private company limited by shares | Live |
| Triple-shift Mockup and Rapid Prototyping Manufactur Limited | Private company limited by shares | Live |
| WELEAD RAPID PROTOTYPING AND TOOLING LIMITED | Private company limited by shares | Live |
| PROTOXX LIMITED | Private company limited by shares | Live |
| Protoza Limited | Private company limited by shares | Live |
| Protozoa Trading Company Limited | Private company limited by shares | Live |