Package 04: Construction of Khuoi Pen source in Ban Loon village, Khuoi Da source in Na Luong hamlet, Na Tau source in Na Luong village, Khuoi Mui source in Na Luong village, Loong Nam source in Na Lai village in the project of Water supply for domestic use. Dai Sao commune, Cho Don district, Bac Kan province
Package 04: Construction of Khuoi Pen source in Ban Loon village, Khuoi Da source in Na Luong hamlet, Na Tau source in Na Luong village, Khuoi Mui source in Na Luong village, Loong Nam source in Na Lai village in the project of Water supply for domestic use. Dai Sao commune, Cho Don district, Bac Kan province