It is a regular brand. Da 'an Ronado was founded in 1999, which is a famous brand of electric tricycle. It is a large-scale private enterprise specializing in the research, development, manufacture and sales of series products such as electric tricycles and special vehicles. It has won the favor of domestic and foreign markets, and is the first professional electric bicycle manufacturer in Tianjin to obtain a national production license, which belongs to a regular brand.