Ningbo has Rongshida washing machine factory. Rongshida Rongdian Group has eight industrial bases in Hefei, Zhongshan, Shenzhen, Zhengzhou, Ningbo, Jingdezhen, Tengchong and Huangshan. Royalstar is a well-known home appliance brand in China. Its leading products are washing machines and refrigerators, and also involve diversified products such as small household appliances, solar water heaters, air energy heat pump water heaters, kitchen and bathroom appliances, electric vehicles and smart phones. Rongshida is a famous brand in China and a well-known trademark in China. In 2006, the brand value of Rongshida was appraised by the authoritative organization of China Brand Research Institute to exceed 2.6 billion yuan, ranking 54th in the list of the most valuable well-known trademarks in China and among the best in the white goods industry in China.