What country is Roman's tooth washer from?

China According to official website, Roman is a brand of Guangdong Roman Intelligent Technology Co., Ltd., which was established in 2006. Is an intelligent technology enterprise focusing on personal care, and its products cover oral care, hairdressing care, facial care and other fields. Roman dental irrigator is an oral care product introduced by Roman company. Using high voltage pulse technology can effectively clean the gap between teeth and gingival sulcus and prevent dental caries and periodontal disease.