Reefer trailers are specialized transport vehicles designed to carry perishable goods at controlled temperatures. They are equipped with refrigeration units that maintain a consistent climate, ensuring that items like fruits, vegetables, dairy products, and pharmaceuticals remain fresh during transit. These trailers are commonly used in the food industry and pharmaceutical sector, where temperature-sensitive products require careful handling. Reefer trailers come in various sizes and configurations, allowing for flexibility in transporting different types of cargo while adhering to safety and quality standards.