Suzhou Joydeer E-bicycle Co., Ltd. is a manufacturer and R&D company for electric bikes,e motorcycle, Lithium Battery, E-Kits and other products. Founded in 2011, with professional R&D team ledby University Professor & Doctor, Joydeer focuses on Integration & optimization for the whole Lithium battery vehicle system and supplying the best solution for green transportation with high technology, all attempting to protect and preserve a piece of clean land for the next generations. Joydeer builds a series of products that extended from light weight folding e bike, powerful e motorcycle, Lithium battery and well-performed E Bike Conversion Kits. Mid-drive mountain E bike and intelligent delivery E vehicle are also the hot and popular items we focus on. Sine Wave Controller programmed by our University Professor smooth the whole electric system. Various co operations are welcomed which includes OEM, ODM, wholesale, R&D new products etc. With professional R&D team and professional production team, we supply you high quality products with fast and stable lead time and good warranty services. Your concern is our concern!