Bac Son Joint Stock Company Address: Pha Lai Town, Pha Lai Ward, Chi Linh Town, Hai Duong Province Enterprise code: 0800311332 Phone: 02203582595 Representative: Ngo Van Hai Adress: Civil Group 3, Phuc Dong Ward, Long Bien District, Ha Noi City Pha Lai Ward, Chi Linh City, Hai Duong ProvinceFounding date: 9 - 6 - 2006