Happy Eco Joint Stock Company Address: No 17, Lane 264, Au Co Street, Nhat Tan Ward, Tay Ho District, Ha Noi City Enterprise code: 0111107189 Phone: 02372783338 Representative: Nguyen Canh Quyen Nhat Tan Ward, Tay Ho District, Ha Noi CityFounding date: 26 - 6 - 2025