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| KAI KEI ELECTRICAL ENGINEERING CO, LIMITED | | Live |
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| TENG TAI CONSTRUCTION ENGINEERING LIMITED | | Live |
| 1 Class Construction Engineering Limited | | Live |
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| PRIDE ENGINEERING (HONG KONG) COMPANY LIMITED | | Live |
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| WAI KEUNG ENGINEERING TECHNOLOGY LIMITED | | Live |
| Eternal Engineering Consulting Limited | | Live |
| WIN TAT ENGINEERING (HONG KONG) LIMITED | | Live |
| Total Success Design Engineering Limited | | Live |
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| Ka Hing Construction & Engineering Limited | | Live |
| WEI SHENG ENGINEERING (HONG KONG) LIMITED | | Live |
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| PAC Engineering Company Limited | | Live |
| APT Design and Engineering Limited | | Live |
| CHI MING ENGINEERING COMPANY LIMITED | | Live |
| WELL FORTRESS ENGINEERING LIMITED | | Live |
| Cheuk Yat Engineering Limited | | Live |
| Sham Long Construction Engineering Limited | | Live |
| Sky Wise (Asia) Engineering Company Limited | | Live |
| SOLVER ENGINEERING (HONG KONG) LIMITED | | Live |
| NGL ENGINEERING LIMITED | | Live |
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| Chung Hang Engineering Construction Limited | | Live |
| Elite Engineering and Construction Company Limited | | Live |
| WING ON MECHANICAL ENGINEERING LIMITED | | Live |
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| Alliances Engineering Limited | | Live |
| BRAVE INNOVATION ENGINEERING CO., LIMITED | | Live |
| WANG HING ENGINEERING LIMITED | | Live |
| GOODTEAM ENGINEERING LIMITED | | Live |
| Megagon Engineering Company Limited | | Live |
| Honghai Engineering Limited | | Live |
| ZHUO REN ENGINEERING LIMITED | | Live |
| Yingfong Engineering Co., Limited | | Live |
| FORE E. ENGINEERING & TECHNOLOGY LIMITED | | Live |
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| Tri-Part Engineering Limited | | Live |
| Tri Blessing Engineering Limited | | Live |
| WANG YUE E&M ENGINEERING LIMITED | | Live |
| OCEANWELL CONSTRUCTION ENGINEERING LIMITED | | Live |
| Yiu Ming Construction & Engineering Company Limited | | Live |
| C & F MAINTENANCE ENGINEERING LIMITED | | Live |
| Dragon Cheng Construction Engineering Co., Limited | | Live |
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| ONWAY CONSTRUCTION ENGINEERING LIMITED | | Live |
| CHEUK POK ENGINEERING COMPANY LIMITED | | Live |
| JIANHONG CONSTRUCTION ENGINEERING LIMITED | | Live |
| Lawrence Engineering Co., Limited | | Live |
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| Ho Kwun Constructions Engineering Limited | | Live |
| JIN HUA ENGINEERING COMPANY LIMITED | | Live |
| MECO E&M ENGINEERING LIMITED | | Live |
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| Pak Ko Mechanical Engineering Limited | | Live |