Shanghai Hangyu Power Supply, established in 2011, is a national high-tech enterprise located in Songjiang, the strategic hub of the Yangtze River Delta G60 Science and Technology Innovation Corridor. For over a decade, the company has been dedicated to providing customers with precise, intelligent, and convenient test power supply solutions. Since its inception, guided by the development philosophy of serving national strategies, Hangyu Power Supply has adhered to a product positioning of "specialization, refinement, and uniqueness." Targeting the market demand for "import substitution," the company has proposed a development strategy of "differentiated import substitution" and "high-quality manufacturing." This strategy aims to foster innovation in China's test power supply technology and propel the nation's science and technology-driven prosperity. Hangyu Power Supply's product portfolio spans various sectors, including power semiconductors, automotive electronics, low-voltage electrical appliances, aerospace, national defense and military, capacitors, medical electronics, smart grids, hydrogen energy, power electronics, precision instruments, and other research fields. The company has successfully achieved import substitution, delivering military-grade quality and excellent service, earning consistent acclaim from users.