Well, today we will begin for this question, what we need when we begin the building and what is the main materials for this part. Yes, the main materials are concrete. The concrete here for building plays an important role during the process. Let’s look back the history of china building, we know, in the ancient times, people use clay to make a house and protect from rain and wind and snow or something else. And they may make the materials with hands manually, even thought using this method, it is not safe to live and not clean. Well, with the development of building, we can see more and more people begin to use concrete, which is easy to have with the help of machine and it is very stable and operate. As you can see, more and more skyscraper are coming into our eyes, and all of these things are connected with the concrete, we can say, if there is no concrete , there will be a big difficult to reach this. So the concrete batching plant and machine are also necessary for us to build house and skyscraper