共有 5 間公司以「RM 502 HANG BONG COMM CTR 28 SHANGHAI ST KLN HONG KONG」為註冊辦事處。以下為詳細名單。
5 間公司
SIERA TECHNOLOGY LIMITED
BOSTER (HONG KONG) DEVELOPMENT LIMITED
HONG KONG HUNG TAI ENTERPRISES LIMITED
HUA ZHONG PHARMACEUTICAL COMPANY LIMITED