Umushinga wa Harbin Expressway na Longdingshan Tunnel

Joiwo irinda guturikaYatsindiye umushinga w’itumanaho rya turnkey mu 2018 binyuze mu gutanga no gushyiramo sisitemu zo kohereza ibicuruzwa, telefoni zirinda imihindagurikire y’ikirere n’udusanduku tw’itumanaho ririnda imihindagurikire y’ikirere muri tunnel ya Longdingshan iri ku muhanda wa Harbin Expressway.