Rack shelf develop and how to manufacturing good quality rack shelf roll forming machine From the old Chinese medicine shop medicine cabinets, to the various shelves used in modern shopping malls, to the steel bars in the large three-dimensional warehouse or the shelves made of more advanced materials, people are familiar with the shelves. Shelf becomes an industry that can be traced back to the 1980s and 1990s. The main production warehouse shelves, investors gradually saw the development prospects of the shelf industry. Subsequently, Swiss companies successively established shelf companies in Shanghai, and shelf production technology has developed in China since then. With the gradual improvement of shelf production technology, in order to save costs, more foreign-funded enterprises have chosen to come to China to purchase shelf production equipment. The shelf molding machine supplies a certain understanding of the welding friends know that in the operation, if the speed...