Taizhou Jiayu Technology Co., Ltd. focuses on the research and development, production and sales of short-distance transportation tools. The registered brand is "Quantity Horse". This product (folding electric bicycle) has won many patents such as appearance and intermediate telescopic foot support. The utility model patent of the telescopic foot support in the middle makes the folding of the car more convenient and the parking more stable. The frame adopts aviation aluminum alloy laser synthesis process, the power lithium battery is installed in the frame, the whole vehicle weighs about 19Kg, and has three riding modes of pure electricity, electric assistance and human fitness. The pure electric cruising range is about 30 kilometers, the electric power cruising range is about 48 kilometers, and the human fitness riding is like a bicycle.