Tap Doan Natrumax - Chi Nhanh Ha Noi Joint Stock Company Address: No 5, Lane 22, Dang Tran Duc Street, Vinh Hung Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0801372592-002 Phone: 0912722311; Representative: Nguyen Tat Tung Vinh Hung Ward, Hai Ba Trung District, Ha Noi CityFounding date: 5 - 2 - 2026