Package 1: Summer maintenance in Bac Tu Liem district in 2021 according to the decentralization in Decision No. 41 2016 QD-UBND dated September 19, 2016 of the Hanoi People's Committee
Package 1: Summer maintenance in Bac Tu Liem district in 2021 according to the decentralization in Decision No. 41 2016 QD-UBND dated September 19, 2016 of the Hanoi People's Committee