Thuong Mai Va Dich Vu Ky Thuat 3btech Joint Stock Company Address: 45 An Hai 5, An Hai Bac Ward, Son Tra District, Da Nang City Enterprise code: 0402017412 Phone: 0902135379 Representative: Duong Tan Nguyen Adress: Tan An Hamlet, Binh Minh Commune, Thang Binh District, Quang Nam Province An Hai Bac Ward, Son Tra District, Da Nang CityFounding date: 9 - 12 - 2019