4NIC Power Module.4NIC (COSIC) was established in September 2007, which belongs to the Second Research Institute of China Aerospace Science and Industry Corporation (CASIC). It is located at No. 333A, North Section of Longquan Street, Shuangta District, Chaoyang City, Liaoning Province, covering an area of 160,000 square meters, with a building area of about 54,000 square meters and a registered capital of 186,071,500 Yuan. It has 399 employees and is a small and medium-sized enterprise. The company has its own intellectual property rights and emphasizes the protection of intellectual property rights and the transformation of achievements, with 198 patents, including 14 invention patents. The main products include: Sunrise Power Supply, 4NIC, Aerospace Power Supply, Aerospace Sunrise Power Supply, Switching Power Supply, Linear Power Supply, Power Module, Railway Locomotive Power Supply, Power Plant Power Supply, Programmable Control Power Supply, Inverter Power Supply, Frequency Converter Power Supply, DC Converter, Charging Power Supply, Constant Current Power Supply, Transformer, Telecommunication Power Supply, Digital Display Chassis Power Supply, and Rectifier Filter Power Supply.