Ibu Pejabat:
HAI-O Marketing Sdn. Bhd.
(242478-M) (AJL93033)
Wawasan Hai-O,
Batu 3 1/4 Jalan Kapar,
41400 Klang, Selangor.
Tel : 03-3348 8588
Fax: 03-3348 8133 (C/Service & Account Dept}
03-3344 5720 (Admin, Marketing & PDP Dept)
03-3343 7141 (Operation Dept.)