Serioplast, an international leader in rigid plastic packaging based in Seriate, Italy, will invest $25.7 million in Shenandoah County, Virginia. The company plans to repurpose a 140,000-square-foot industrial facility, creating 45 new jobs. Serioplast serves major brands like Procter & Gamble and Unilever and operates 33 production facilities across 16 countries. Its commitment to…