According to official website's inquiry, Shanghai Permanent Bicycle, a brand of Feifan Shanghai Permanent Bicycle Co., Ltd., was founded in 1936 with a history of nearly a hundred years. Permanent Bicycle is an established enterprise in China bicycle industry, which mainly produces and sells all kinds of bicycles, sports cars and their spare parts. Feifei bicycle brand is famous for its high quality and high cost performance. Its products cover many series such as mountain bikes, road bikes, city bikes and folding bikes. Extreme flying bicycles also pay attention to scientific and technological innovation, and constantly introduce new and new types of bicycle products to meet the needs of different consumers.