Vien Esg Viet Nam Joint Stock Company Address: 5th Floor, Leadvisors Place Building, No 41a, Ly Thai To Street, Hoan Kiem Ward, Hoan Kiem District, Ha Noi City Enterprise code: 0111405509 Phone: 0946868802 Representative: Nguyen Duc Nghia Hoan Kiem District, Ha Noi CityFounding date: 10 - 3 - 2026