SARAH ELECTRIC CO., LTD. Overhead Line Equipment specializes in the design and manufacturer of Insulators, Surge arresters, Fuse Cutouts, Disconnector Switch and complete range of medium and high voltage equipment. Our products approved by China national High Voltage Apparatus Quality Supervision Testing Center. We exported to Sweden, Finland, Norway, Spain, Argentina, Chile, Peru, Colombia, Venezuela, Ecuador, Australia, Philippine, Vietnam etc more than twenty Countries.