Bao Hiem Xa Hoi Huyen Khoai Chau Address: Khoai Chau Town, Khoai Chau District, Hung Yen Province Enterprise code: 0900465287 Phone: 02213910327 Khoai Chau Town, Khoai Chau District, Hung Yen ProvinceFounding date: 27 - 8 - 2009