- Dunwell Enviro-Tech (Holdings) Ltd.
- Address:8 Wang Lee Street, Yuen Long Industrial Estate,
- Smart Manage Limited
- Address:2301, Wing On House, 19 Des Voeux Road, Central
- Arpol Industrial Company
- Address:Hong KongKennedy TownRm 806, North Terrace, Sai Wan Estate
- Zhongshan Guzhen Gaoqiao Co., Ltd.
- Address:113, Shatan Industrial Zone, Guzhen
- Ho Fai
- Address:Cheung Yue Street
- Antony Ko
- Address:154 Wai Yip
- WILLIE PETROCHEMICAL COMPANY LIMITED
- Address:G8 Hung Tai Ind Bldg, 37 Hung To Road
- Jenecal Electromechanical Co., Ltd
- Address:Flata. 12 / F. Fortune Building 451-455 Chatham Road, Hung Hom, Kowloon
- Aparkson Technologies Company Ltd.
- Address:Unit 25, 2 / F, Metro Centre II
- Men Power Industrial Company
- Address:
- Tahera Limited
- Address:9 / F Unit C & D, Hang Lung House, 184-192 Queens Road Central, Hong Kong
- Forever Engineering & Trading Company
- Address:19 / F Tung Nam Commerical Center
- Genius Alliance Limited
- Address:Room 4C-10, 4 / F, Yip Win Factory Building. , 10 Tsun Yip Lane
- Tingue,brown&co.(asia)ltd
- Address:Unit 3, 8 / F, World-Wide Industrial Center
- PremiumPro Trading Co., Ltd.
- Address:Room 2001, 20/F, MongKok Commerical Centre,
- Hopoint Industries Limited
- Address:175 Mu Wu, Ta Kwu Ling
- Kingtech International
- Address:F 20, Overseas Chinese Commercial
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