Yersin Joint Stock Company Address: 11th Floor, Van Phong So 229 Tay Son Building, Mipec Building, Nga Tu So Ward, Dong Da District, Ha Noi City Enterprise code: 0109793036 Phone: 0988679968 Representative: Phan Thi Mai Hoa Nga Tu So Ward, Dong Da District, Ha Noi CityFounding date: 27 - 10 - 2021