Heat Exchanger for Marine with Pressure Vessels l Headquarters: 1575-6, Songjeong-Dong Gangseo-Gu Busan, Korea Phone: +82-51-970-1000 ㅣ Fax: +82-51-970-1001 ㅣ Marine Dev. Contact: khs@dh.co.kr ㅣ ISO9001 & Q Mark ⓒ 2007 Heat Exchanger for Marine by Donghwa Entec. Co., Ltd. All Rights Reserved.