COSINE Electric is a national high-tech enterprise specializing in transformers and sensors. Integrating research and development, production, sales, and service, the company's production and sales of medium voltage transformers rank among the top three in the country. The "COSINE" trademark of company has been recognized as a "well-known trademark in China" by the State Administration for Industry and Commerce. Moreover, as a member unit of the National Transformer Standards Committee, the company once drafted multiple current national standards. COSINE Electric has passed ISO9001, ISO14001, ISO45001 and ISO50001qualification certificates, and the company's products have obtained CRCC, PDA, and CMCC certifications.