共有 7 間公司以「607 YEN SHENG CENTRE 64 HOI YUEN RD KWUN TONG HONG KONG」為註冊辦事處。以下為詳細名單。
7 間公司
INFRA-TECH LIMITED
SUNTEK DEVELOPMENT COMPANY LIMITED
YORK BONUS LIMITED
HO FUNG INDUSTRIES LIMITED
SEA LINK GROUP HOLDINGS LIMITED
ADVANCE18 LIMITED