共有 4 間公司以「香港 干諾道中128號豫泰商業大廈19樓」為註冊辦事處。以下為詳細名單。
4 間公司
GA LEUNG HOLDINGS COMPANY LIMITED
GA LEUNG INVESTMENT COMPANY LIMITED
ZHONGRUI CONSTRUCTION GROUP COMPANY LIMITED
CHINA SWISS HOLDINGS COMPANY LIMITED