Global Semi-Trailer Dealership Market Size, Share, Analysis By Product Type (New Semi-Trailers, Used Semi-Trailers), By Application (Freight Transportation, Logistics Services, Construction and Heavy Haul, Specialized Transport), By End-Use (Fleet Operators, Owner-Operators, Leasing Companies) Industry Region & Key Players–Industry Segment Overview, Market Dynamics, Competitive Strategies, Fleet Modernization Trends, Logistics Infrastructure Investments & Forecast 2026–2034