Hangzhou Benefit building supporting engineering co. Ltd. is only professional dedicated to Stereo Bicycle parking system area. Stereo Bicycle parking system is one of the famous products in our company. It can combined according to the number of the bicycle. Andalso can combined according to the area of the land. Design to different projects. And different parking area. All of the parking system have been protected by antisepsis material. And UV protection. Those parking system is a perfectable outlooking and fanstastic function. It can use to living section underground school and market as well as working building. It's very populer in Japan as well as Europe.