Our Professional Answer: While underground cables offer aesthetic benefits and protection from extreme weather, overhead power lines remain the most cost-effective and practical solution for long-distance power transmission. They are significantly easier and quicker to install, maintain, and repair. Faults can be located and addressed much faster, minimizing downtime. Our company, Ningbo Changshi, provides a full range of high-quality overhead line stringing equipment that ensures efficient and safe installation, helping to maximize the inherent benefits of overhead systems.