Sunolta Technology Co., Ltd. is located in Wuxi City by the Taihu Lake. It is a technology company focused on the R&D, manufacturing and sales of aquaculture machinery and equipment, deeply engaged in the aquaculture machinery industry. Since its establishment, the company has been committed to the R&D and production of high-efficiency and energy-saving permanent magnet variable-frequency equipment, adhering to the core philosophy of “scientific and technological innovation as the foundation, quality and service as the center”. The company covers a production area of 12,000 square meters, with warehouses in Guangdong, Jiangsu, Jiangxi and other regions across China. At present, the company produces high-efficiency and energy-saving variable-frequency oxygen aerators, variable-frequency aeration oxygen aerators, variable-frequency water wheels, variable-frequency water pumps, variable-frequency ice breakers and variable-frequency industrial large fans. Company History 2006: Wuxi Shuangnengda Technology Co., Ltd. was established, and developed and produced the first generation of permanent magnet brushless DC motor. 2008: The company worked with Kandi Electric Vehicles under Geely Group to jointly develop an electric vehicle air conditioning system. 2009: The company jointly developed a variable-frequency mower motor with Ningbo Dongyi and Ningbo Yate. 2016: The company developed the first generation of variable-frequency oxygen aerator. 2017: The first generation of variable-frequency oxygen aerator was put into the market. It was favored and supported by customers for its high efficiency, energy saving, gearless structure and convenient maintenance. 2018: The company obtained the first national agricultural promotion certificate for variable-frequency oxygen aerators, and developed the first generation of aeration-type variable-frequency oxygen aerator. 2019: The company’s sales volume exceeded 10 million yuan, and it developed a 3kW variable-frequency oxygen aerator. 2020: The company developed and obtained 85 national patent certificates. In the same year, the company launched the first generation of variable-frequency industrial large fan. 2021: The company entered the online platform of Tongwei Group, becoming the first enterprise in the industry to access the platform. In the same year, Yushida Technology Co., Ltd. was established in Jiangxi, covering an area of more than 6,000 square meters. 2022: The company developed variable-frequency water pumps and variable-frequency ice breakers, and its annual sales exceeded 100 million yuan. Future: Shuangnengda will devote itself to developing more efficient and energy-saving aquaculture equipment, making aquaculture machinery more energy-efficient and environmentally friendly, and becoming the most professional leader in variable-frequency fishery aquaculture machinery in China.