Signotron, established in 1985 in Kolkata, is a specialized provider of power electronics solutions, focusing on clean energy innovations and customer-specific needs. With a 50,000+ sq. ft. facility and a team of over 300 engineers, they offer a range of products including inverters, chargers, and converters, particularly for the railway and electric vehicle sectors. The company emphasizes high-quality design and manufacturing in-house while maintaining a commitment to energy efficiency and advanced technology.