共有 7 間公司以「8/F PO CHEONG COMM BLDG 29 PRAT AVENUE TST KLN HONG KONG」為註冊辦事處。以下為詳細名單。
7 間公司
MANTECH INVESTMENT LIMITED
MENTECH INDUSTRIAL LIMITED
SHARP RICHEST LIMITED
SUMFORD LIMITED
WINSOME INTERNATIONAL COMPANY LIMITED
GENERAL ONE INDUSTRIES LIMITED
SILVER HOPE LIMITED