Kien Trang LTD Address: Khe Vau Hamlet, Trung Tam Commune, Luc Yen District, Yen Bai Province Enterprise code: 5200500136 Phone: 02163843222 Representative: Ma Trung Kien Adress: Khe Vau Hamlet, Trung Tam Commune, Luc Yen District, Yen Bai Province Trung Tam Commune, Luc Yen District, Yen Bai ProvinceFounding date: 22 - 3 - 2010