共有 3 間公司以「19/F EFFECTUAL BLDG 14-16 HENNESSY RD WANCHAI HONG KONG」為註冊辦事處。以下為詳細名單。
3 間公司
Y. M. JEWELLERY HOLDINGS LIMITED
YONG MAO INTERNATIONAL INVESTMENT (HOLDINGS) COMPANY LIMITED
FANG LEI TRADING LIMITED