OUMA.OUMA was established on August 26, 2011, with its registered office in Xishan District, Wuxi City. As a high-tech equipment manufacturing enterprise, it specializes in the R&D, manufacturing, and servicing of power products including diesel engines, water-cooled generators, ultra-quiet diesel generator sets, ultra-quiet containerized generator sets, and new energy distributed multi-source power supply systems. The factory is located in Wuxi City, Jiangsu Province—a hub of China's manufacturing industry. OUMA products cover a power range from 2 to 3000 kW, committed to providing customers with technologically advanced, reliable emergency power equipment and solutions. OUMA's technical development team pioneered China's first fully water-cooled ultra-quiet generator set, achieving performance metrics at internationally advanced levels. OUMA's split-type ultra-quiet generators for vehicles and yachts range from 6KW to 300KW, with noise levels not exceeding 55 decibels at 7 meters. The company serves as an OEM partner for multiple globally renowned diesel engine and generator manufacturers. Primary products include: engines, military power stations, vehicle-mounted ultra-quiet generators, marine ultra-quiet generators, general-purpose generator sets, portable generator sets, new energy storage systems, and other products.