Talleres Zitron SA from Gijon secured the EUR211,199.51 contract, excluding VAT, for the supply of dampers for the ventilation system in the tunnels of the M-30 ring road in Madrid (Lot 3). Contact Madrid Calle 30 SA, Madrid, tel +34 915391236, fax +34 915309588, email madridcalle30juridic@mc30.es. For further information on the tender, please click here. Ref.n. 202000004. 03/21.