
520 Black Painted Roller Trailer. Black Baking Paint Finish: After galvanizing, the entire vehicle undergoes a black baking paint process for a durable aesthetic finish. High-Strength Bolt Assembly: Frame fixing bolts are 8.8 grade high-strength salt spray coated with integrated anti-loosening nuts. Complete Winch System: Equipped with a 1200-pound hand-cranked winch, 1500-pound guide wheel jack, and 6-inch jack wheels. Standard Dimensional Specs: External dimensions are 5.15 meters in length and 1.75 meters in width with GB standard tube frames. Comprehensive Certifications: Certified with ISO/TS16949, CCC, DOT, ISO, and CE standards for quality and safety assurance. One-Year Warranty Coverage: Includes a one-year warranty for after-sales service to ensure product reliability.