Cong Nghe Chau Sa Ha Noi Joint Stock Company Address: No 58C, 22 Luong Khanh Thien Lane, Tan Mai Ward, Hoang Mai District, Ha Noi City Enterprise code: 0108897730 Phone: 0904162466 Representative: Vu Van Phuc Tan Mai Ward, Hoang Mai District, Ha Noi CityFounding date: 11 - 9 - 2019