| QUALITY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TOP QUALITY ENTERPRISES LIMITED | Private company limited by shares | Live |
| EVER QUALITY LIMITED | Private company limited by shares | Dissolved |
| EVER QUALITY LIMITED | Private company limited by shares | Live |
| EVER WIN QUALITY CERTIFICATION CENTER LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT QUALITY LIMITED | Private company limited by shares | Dissolved |
| Excellent Quality Company Limited | Private company limited by shares | Live |
| CHINA QUALITY IMPORT AND EXPORT LIMITED | Private company limited by shares | Live |
| ZHEJIANG QUALITY IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| Quality Factor Limited | Private company limited by shares | Live |
| QUALITY SOFTWARE FACTORY LIMITED | Private company limited by shares | Dissolved |
| QUALITY FINANCE LIMITED | Private company limited by shares | Dissolved |
| Miracle Quality Finance Limited | Private company limited by shares | Live |
| FINE QUALITY LIMITED | Private company limited by shares | Dissolved |
| FINE QUALITY LIMITED | Private company limited by shares | Dissolved |
| QUALITY FIRST LIMITED | Private company limited by shares | Dissolved |
| FIRST QUALITY COMPANY LIMITED | Private company limited by shares | Live |
| HK Quality First Limited | Private company limited by shares | Live |
| FIRST-RATE QUALITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOP FLIGHT QUALITY LIMITED | Private company limited by shares | Dissolved |
| FLIGHT QUALITY CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| FORRY Vendor Quality Management Co., Limited | Private company limited by shares | Live |
| FORTUNE QUALITY ASSURANCE LIMITED | Private company limited by shares | Live |
| FORTUNE QUALITY INVESTMENT LIMITED | Private company limited by shares | Live |
| Gekko Quality Solutions Limited | Private company limited by shares | Live |
| General Quality Limited | Private company limited by shares | Live |
| GENUINE BEST QUALITY LIMITED | Private company limited by shares | Live |
| GOLD QUALITY LIMITED | Private company limited by shares | Dissolved |
| GOLD QUALITY LIMITED | Private company limited by shares | Live |
| QUALITY GOLD LIMITED | | Live |
| GOLD QUALITY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PHOENIX GOOD HEALTH QUALITY LIMITED | | Live |
| GRAND QUALITY LIMITED | Private company limited by shares | Dissolved |
| GRAND QUALITY LIMITED | Private company limited by shares | Live |
| QUALITY GRAPHICS LIMITED | Private company limited by shares | Dissolved |
| Quality Hands Limited | Private company limited by shares | Live |
| HIGHER QUALITY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hi-Te Quality Specialist Limited | Private company limited by shares | Live |
| Hong Kong A-Grade Quality Assurance Limited | Private company limited by shares | Live |
| HongKong WanAn Air Quality Inspection Processing Technology Limited | Private company limited by shares | Live |
| QUALITY HOTELS LIMITED | Private company limited by shares | Dissolved |
| QUALITY IDEA LIMITED | Private company limited by shares | Live |
| IMPEX QUALITY PRODUCTS LIMITED | Private company limited by shares | Live |
| INDIGO QUALITY LIMITED | Private company limited by shares | Live |
| WELL QUALITY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| INTEGRITY QUALITY INT'L LIMITED | | Live |
| INTELLIGENT QUALITY LIMITED | Private company limited by shares | Live |
| QUALITY INVESTMENT LIMITED | Private company limited by shares | Live |
| TOP QUALITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOP QUALITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BEAUTY QUALITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BEST QUALITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| EXTREME QUALITY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MEGA QUALITY INVESTMENT LIMITED | Private company limited by shares | Live |
| YIELD QUALITY INVESTMENT LIMITED | Private company limited by shares | Live |
| QUALITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| QUALITY WIN INVESTMENTS LIMITED | Private company limited by shares | Live |
| GRAND QUALITY INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Quality Online Investments Limited | Private company limited by shares | Live |
| QUALITY TIME INVESTMENTS LIMITED | Private company limited by shares | Live |
| Value and Quality Investments Limited | Private company limited by shares | Live |
| Quality Iron Limited | Private company limited by shares | Live |
| JOLLY QUALITY LIMITED | Private company limited by shares | Live |
| Just Quality Limited | Private company limited by shares | Live |
| KANJI QUALITY PANCHYATE LIMITED | Private company limited by shares | Dissolved |
| IAQ KANRI AIR QUALITY CONSULTANT LIMITED | Private company limited by shares | Live |
| LEAD QUALITY LIMITED | Private company limited by shares | Dissolved |
| Quality Learning company Limited | | Live |
| Quality Learning Centre Limited | Private company limited by shares | Live |
| Hohoban Quality Life Limited | Private company limited by shares | Live |
| LUCKY QUALITY LIMITED | Private company limited by shares | Live |
| QUALITY MACHINERY LIMITED | Private company limited by shares | Dissolved |
| CHINA QUALITY CREDIT MANAGEMENT ASSOCIATION LIMITED | Private company limited by shares | Live |
| CHINA QUALITY CERTIFICATION MANAGEMENT CENTER LIMITED | Private company limited by shares | Live |
| ROYAL BEST QUALITY ASSETS MANAGEMENT LIMITED | Private company limited by shares | Live |
| STAR QUALITY F & B MANAGEMENT LIMITED | | Live |
| SMART TALENT QUALITY MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| DRAGON TRADING AND QUALITY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| QUALITY MANUFACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| QUALITY MARBLE CO. LIMITED | Private company limited by shares | Live |
| Quality Mark Limited | Private company limited by shares | Live |
| MASTER QUALITY LIMITED | Private company limited by shares | Dissolved |
| Master Quality Limited | Private company limited by shares | Live |
| MEGA QUALITY LIMITED | Private company limited by shares | Live |
| Quality Microelectronics Company Limited | Private company limited by shares | Live |
| MING QUALITY COMPANY LIMITED | Private company limited by shares | Live |
| MING LOK QUALITY COMPANY LIMITED | Private company limited by shares | Live |
| QUALITY MUST LIMITED | Private company limited by shares | Dissolved |
| CHINA NATIONAL QUALITY INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| CHINA NATIONAL QUALITY RESEARCH LIMITED | Private company limited by shares | Live |
| NICE TOP QUALITY LIMITED | Private company limited by shares | Live |
| NICE QUALITY LIMITED | Private company limited by shares | Live |
| NORDIC QUALITY LIMITED | Private company limited by shares | Live |
| Northern Quality Limited | Private company limited by shares | Live |
| QUALITY OCEAN COMPANY LIMITED | Private company limited by shares | Live |
| BEST QUALITY OFFICE FURNITURE LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL QUALITY LIMITED | Private company limited by shares | Dissolved |
| QUALITY ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| QUALITY ASSURANCE PACIFIC LIMITED | Private company limited by shares | Dissolved |
| PEAK QUALITY LIMITED | Private company limited by shares | Dissolved |