Giai Phap Sigma LTD Address: Zoom 606, Khu B, Indochina Building, No 4 Nguyen Dinh Chieu, Da Kao Ward, District 1, Ho Chi Minh City Enterprise code: 0312301789 Phone: 0903602852 Representative: Dao Huu Thuan Adress: 324, Lot U, Cu Xa Thanh Da, Ward 27, Binh Thanh District, Ho Chi Minh City Da Kao Ward, District 1, Ho Chi Minh CityFounding date: 29 - 5 - 2013