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| ON FU BUILDERS ENGINEERING LIMITED | Private company limited by shares | Live |
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| HO SUM ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
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| TENGFEI DECORATE ENGINEERING LIMITED | Private company limited by shares | Live |
| CZL POWDER ENGINEERING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| HKSF CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| A&S ENGINEERING ASIA LIMITED | Private company limited by shares | Live |
| SMART CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| YING WU SCAFFOLDING ENGINEERING LIMITED | Private company limited by shares | Live |
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| LEUNG PUI KEE ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CHEUK WAN ELECTRIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SURPLUS TECH ENGINEERING LIMITED | Private company limited by shares | Live |
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| JET WIN (ASIA) ENGINEERING LIMITED | Private company limited by shares | Live |
| GOLD STAR CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| YING TUNG ENGINEERING LIMITED | Private company limited by shares | Live |
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| WAH KIN CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Chi Ying Enginneering Company Limited | Private company limited by shares | Live |
| YING WO (CHINA) ENGINEERING LIMITED | Private company limited by shares | Live |
| KAI WO ENGINEERING LIMITED | Private company limited by shares | Live |
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| Dial-up Engineering Limited | Private company limited by shares | Live |
| ELITE WAY ENGINEERING LIMITED | Private company limited by shares | Live |
| FAST GRAND ENGINEERING LIMITED | Private company limited by shares | Live |
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| SOAR ENGINEERING STRATEGY COMPANY LIMITED | Private company limited by shares | Live |
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