Automotive Transmission Housing Market Size, Share Demand Report By Material Type (Aluminum Alloy Transmission Housing, Magnesium Alloy Transmission Housing, Cast Iron Transmission Housing, Composite Transmission Housing), By Transmission Type (Manual Transmission, Automatic Transmission, Continuously Variable Transmission, Dual-Clutch Transmission), By Vehicle Type (Passenger Cars, Light Commercial Vehicles, Heavy Commercial Vehicles, Electric Vehicles) By Region & Segment Forecasts, 2026–2034