共有 5 間公司以「FLAT/RM P2, G/F, 229 ELECTRIC ROAD FORTRESS HONG KONG」為註冊辦事處。以下為詳細名單。
5 間公司
Affirm Grace Trading Limited
SunTech Energy Saving Technology & Products Limited
Harvard Business Management & Consultancy Limited
EDISON INTERNATIONAL SALES LIMITED
YAN LONG DEVELOPMENT LIMITED