Nalco Water, IndonesiaKompleks Multatuli Indah Blok E, No. 24Medan, North Sumatra, Indonesia 20151
Tel: +62-61-7781-8296Fax: +62-61-453-1082
Nalco Medan Indonesia Alternate | Tel: +62-61-7781-6586 | Fax: +62-61-456-2720