Hoang Sang Address: Cao Quan Hamlet, Hong Tien Commune, Khoai Chau District, Hung Yen Province Enterprise code: 0900398256 Phone: 02213920756 Representative: Bui Xuan Tam Adress: Cao Quan Hamlet, Hong Tien Commune, Khoai Chau District, Hung Yen Province Hong Tien Commune, Khoai Chau District, Hung Yen ProvinceFounding date: 28 - 4 - 2009