Doanh Nghiep TN Van Tai Kien Cao Address: Hip Hamlet, Chieng Khuong Commune, Song Ma District, Son La Province Enterprise code: 5500433963 Phone: 0915330685 Representative: Luyen Ngoc Kien Adress: Chi Long, Ngoc Long Commune, Yen My District, Hung Yen Province Chieng Khuong Commune, Song Ma District, Son La ProvinceFounding date: 3 - 10 - 2011