Ha Noi Ching Hai Electric Works Co.Ltd Address: Dai Dong - Hoan Son Industrial Zone, Dai Dong Commune, Tien Du District, Bac Ninh Province Enterprise code: 0100112765 Phone: 02122846881 Representative: Lin Hsien Tsung (Lam Hien Thon Dai Dong Commune, Tien Du District, Bac Ninh ProvinceFounding date: 26 - 5 - 1998