CITY OF SAN FERNANDO, LA UNION- The Department of Science and Technology (DOST) Secretary Fortunato T. de la Peña, together with Undersecretary for Regional Operations Engr. Sancho A. Mabborang and Filipino Inventor’s Society Producer Cooperative (FISPC) President Francisco “Popoy” Pagayon visited the first face mask production facility in Northern Luzon located at Brgy. San Marcos, Agoo, La Union on February 18, 2022.