Ngoc Khanh Address: Nha Rieng Ong Do Van Son, Khanh Yen Thuong Commune, Van Ban District, Lao Cai Province Enterprise code: 5300213079 Phone: 02143882910 Representative: Do Van Son Khanh Yen Thuong Commune, Van Ban District, Lao Cai ProvinceFounding date: 19 - 3 - 2009