Hangzhou Minrui Tradings co., Ltd is situated in the beautiful city of China, nearby the famous lake-west lake. We are professional do e-bike kits business for many years for the customers all over the world, and have met so many troubles, with these troubles, we have much experience on e-bike kits today. Our e-bike kits are easy to install and allow you to convert your standard bicycle into an fun and eco-friendly e-bike. Our kits have been supplied all over the world and welcomed by clients, and been approved by CE certificate. our concept & slogan is "let us go back to nature".