Works: (1) SCL 0.4kV transmission line behind substations of District People's Committee, Doi District, Zone 1, Zone 4 Dinh Lap town, Dinh Lap district, Lang Son province; (2) SCL 0.4kV line behind Na Khoang substations, Hong Thai commune; Nam Thin, Hong Phong commune; Na Meo, Hoa Binh commune; Hoa Tham Committee of Hoa Commune
Works: (1) SCL 0.4kV transmission line behind substations of District People's Committee, Doi District, Zone 1, Zone 4 Dinh Lap town, Dinh Lap district, Lang Son province; (2) SCL 0.4kV line behind Na Khoang substations, Hong Thai commune; Nam Thin, Hong Phong commune; Na Meo, Hoa Binh commune; Hoa Tham Committee of Hoa Commune