FLG.OFF.Uthai NORRANIM, Assistant Director and Dr. Charun YAFA, Head of Chemical Metrology and Biometry Department together with metrologists welcomed Dr. Roman Szumski, Vice President from National Research Council Canada and his team on the occasion of metrology discussion and visiting NIMT laboratories at Phadungmat and Martthamrong building, NIMT, Pathum Thani province.