A construction and development of the city, are inseparable from a material that is steel, while most of the main square tube. As the city's most essential square tube, a lot of people have said do not care. Indeed, in life, not casually you can see the side of the tube. Our city's construction, all aspects of life are needed to square tube. Many people could not help but ask, in our lives, in the end where the pipe will be used to it?
  The first is the construction, this is obvious, no matter what the pipe, the first choice is building. Structure of the building, construction support, etc. These are the need to use a variety of steel. So faced with the rise of high-rise buildings in summer a seat, are needed to use square tube. So how much square tube construction can affect the development of a city, the same bridge there is also a need to use the square tube. When we cross the bridge, standing on the bridge under the bridge landscape feel, knowing that a stable square tube, propped up a seat stable bridge. And this is   only the pipe, is to promote the development of the main character of our city.
 When we drove a smooth car, ran one after another scenic point, but in fact you're sitting on the driver's side tube. Car chassis also need the pipe as structural parts, so many people think that the pipe is only used in construction, not knowing the life of the tool is also a need to use the pipe, and the most common is our car. Also there is a highway railing, which is needed to square tube. Because only the stability of the pipe in order to secure the entire structure can withstand the entire impact. These kinds of, are proving, the city's development is inseparable from the square tube.