Hanoi headquarters
21st floor, Center Building, Hapulico Complex, 1 Nguyen Huy Tuong, ward. Thanh Xuan Trung, Thanh Xuan district, Hanoi. Phone: 024 7309 5555, ext 370.
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Ho Chi Minh City headquarters
4th floor, Building 123, 123 Vo Van Tan, Ward 6, District 3, City. HCM Phone: 028. 7307 7979
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