Tu Van Va Xay Dung Hoang Sa Joint Stock Company Address: 42 Yet Kieu, Tho Quang Ward, Son Tra District, Da Nang City Enterprise code: 0400517995 Phone: 02156923384 Representative: Tran Xuan Sinh Tho Quang Ward, Son Tra District, Da Nang CityFounding date: 23 - 11 - 2005