Is the quality of Qinpu brand voltage regulator good?

All right. Qinpu Company, founded in 1988, is a comprehensive enterprise integrating scientific research, production and sales. It is the director unit of the professional Committee of household AC automatic voltage regulator of the Ministry of Internal Trade and the national patent product production base. The product won many gold medals at the invention exhibition. Excellent products are exported overseas and well received by consumers, so the production quality is very good. Voltage regulator is a device to stabilize the output voltage.