Valve Tech Ha Noi Joint Stock Company Address: No 72, Civil Group 7, Chi Dong Town, Me Linh District, Ha Noi City Enterprise code: 0110287690 Phone: 0986581307 Representative: Nguyen Van Hung Adress: Nai Chau Hamlet, Chu Phan Commune, Me Linh District, Ha Noi City Chi Dong Town, Me Linh District, Ha Noi CityFounding date: 16 - 3 - 2023