DONG DUONG WATERFALL GROUP DONG DUONG WATERFALL CORPORATION, a professional corporation in the field of WATER PROTECTION & PROTECTION TECHNIQUES works in three Indochinese countries: VIETNAM - LAOS - CAMPUCHIA. Members of the Group have over 20 years of experience (1994-2014) in the field of waterproofing and protection of concrete in many important national projects as well as in domestic projects. ODA, WB, JIBIC, ADB, government bonds, etc. are distributed mostly in the provinces and cities in many fields of civil engineering / traffic tunnel / irrigation / hydropower construction. / And industrial construction.