State Grid Yingda Co., Ltd. principally engages in the research, development, production, sale, and technical services related to electrical and new material equipment, power operation and maintenance, as well as low-carbon energy-saving and related projects. Its products include amorphous transformation and silicon steel transformation products, amorphous iron cores, arc suppression coils, line composite insulators, composite insulation towers, composite insulation sleeves, lightning monitoring and protection products, high voltage testing, metering products, and status detection systems. Its low-carbon energy-saving and engineering services include the design and construction of power projects; the installation, repair, and testing of power facilities; smart electricity consumption projects; and coal-bed methane efficiency management. The company was founded on November 14, 1997 and is headquartered in Shanghai, China.