
Popular Foam Aluminum Sound Barrier for Urban Rail Transit Noise Insulation Works. 5-Year Warranty Coverage: Comprehensive 5-year warranty for after-sales service and product reliability. Customized Certification: Certification options are fully customizable to meet specific project requirements. Multi-Height Options: Available in various heights including 1.2m, 1.5m, 2.0m, and 3.0m. Versatile Material Selection: Constructed from Aluminum, Galvanized Steel, or PC Board for durability. High Sound Insulation: Provides Sound Insulation STC rating between 30 and 35 for effective noise reduction. Comprehensive Project Solutions: Offers graphic design and total solution capabilities for diverse applications. Wide Application Scope: Ideal for Roads, Highways, Schools, Airports, and Railways. Strict Quality Inspection: Every product undergoes rigorous quality checks before shipping.