Thuong Mai HTC Dai Son Joint Stock Company Address: No 90, Tran Cung Street, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0105441869 Phone: 02422607096 Representative: Luong Duc Trung Adress: Cluster 11, Vong Xuyen Commune, Phuc Tho District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 8 - 8 - 2011