The company is a third-party inspection agency for power system protection and control equipment, new energy control systems, electric vehicle charging and switching systems, and related electrical and electronic products with independent legal status. It has three national product quality inspection and inspection centers (CMA) authorized by the National Certification and Accreditation Administration Committee: “National Relay Protection and Automation Equipment Quality Inspection and Inspection Center” (formerly the National Relay Quality Supervision and Inspection Center), the “National Smart Microgrid Control Equipment and System Quality Inspection and Inspection Center” and the “National Electric Vehicle Charging and Switching System Quality Inspection and Inspection Center”, which is through the country An independent third-party testing laboratory accredited by the Certification and Accreditation Administration Committee (CMA) and the China National Accreditation Service for Conformity Assessment (CNAS). The company's main business includes: testing services for new power system equipment, other technical services, and sales of testing equipment. Corporate honors: National Relay Protection and Automation Equipment Quality Supervision and Inspection Center, National Smart Microgrid Control Equipment and System Quality Supervision and Inspection Center, National Electric Vehicle Charging and Switching System Quality Supervision and Inspection Center, etc.