Phat Trien Sinh Hoc Hoang Long Joint Stock Company Address: Hoang Long Hamlet, Tan Linh Commune, Ba Vi District, Ha Noi City Enterprise code: 0105599493 Phone: 02433881052 Representative: Truong Duc Hieu Adress: Hoang Long Hamlet, Tan Linh Commune, Ba Vi District, Ha Noi City Tan Linh Commune, Ba Vi District, Ha Noi CityFounding date: 1 - 11 - 2011