This article provides a comprehensive introduction to noise barrier systems, covering their structure, materials, performance advantages, and application scenarios. It explains how modern sound insulation barriers are designed to effectively reduce traffic, industrial, and construction noise while maintaining long-term durability in outdoor environments. The article also explores key technical factors such as sound absorption performance, wind load resistance, installation methods, and customization options. In addition, it highlights how engineering experience from the solar mounting system industry can be applied to noise barrier support structures, ensuring reliable, cost-effective, and sustainable solutions for infrastructure and urban projects.