Ningbo DanLong Electrical Appliance Co., Ltd. is a company focused on research and development, manufacturing sonic cleansing brush factory has a professional R & D team and manufacturing team.Since 2008 sonic technology R & D, which lasted four years, and finally to create the world's leading sonic cleansing technology, and the technology is applied to the facial brush and skin care appliance.Dan Long factory has developed the world's top sonic cleansing brush. Dan Long currently held by more than 200 national patents and copyrights on sonic cleansing brush, on sonic facial brush,our factory is the most patents owner in china.we have establish strategic cooperative partnership with many international brand companies in the worldWe will be happy to provide our customers with the best ODM / OEM services, and become China's first sonic cleansing brush manufacturing plants and through the joint efforts and customer.