Guangzhou City KAISDA technology co.,ltd is a professional electric bicycle manufacturer and own brand KAISDA , we have many years export experience and R&D experience .Company is Located in Guangzhou city. Guangdong, China. Which have been approved,CE,EN15194, ROHS, UL, GCC certification, our products have been exported to USA ,Canada ,Australia, Italy, Spain, France, Sweden, Germany , Netherland etc. Welcome to visit the company and negotiate for future cooperation.