Kien Truc Trinh Gia Joint Stock Company Address: No 80, Lane 162, Khuong Trung Street, Thanh Xuan District, Ha Noi City Enterprise code: 0105113843 Phone: 02422427199 Representative: Trinh Chien Thang Adress: No 71a, An Ninh Street, Hai Duong City, Hai Duong Province Thanh Xuan District, Ha Noi CityFounding date: 12 - 1 - 2011