Ningbo Deye Technology Group Co., Ltd., together with its subsidiaries, researches, designs, develops, produces, sells and services solar inverter systems, frequency conversion control systems, environmental electrical appliances, and heat exchangers in China. The company offers energy storage, string, and grid-tied micro inverters, as well as energy storage systems; and household, industrial, fresh air, pipe ceiling, and rotary dehumidifiers, as well as integrated dehumidification and humidification machines, constant temperature and humidity machines, and various customized non-standard air treatment equipment. It also provides solar air conditioners, including wall-mount PV generator, PV duct-type air conditioner, and PV water heater; solar water pumps; frequency conversion air conditioners; PCBA supporting solutions; and evaporators and condensers. In addition, the company is involved in scientific research and technical services; technology promotion and application services; investment activities; and wholesale and retail trade. It exports its products in Germany, India, South Africa, Ukraine, the United Arab Emirates, and internationally. The company was founded in 2000 and is based in Ningbo, China.