How to know exactly which floor the second-hand house of Zhengzhou Branch Holding Co., Ltd. is on?

Only the salesman can be consulted. The lower floors of Branch Holding Co., Ltd. automatically jump out according to the total floor. For a house with a total height of six floors, the shell system of the 1.2 floor will generally be displayed as a low floor, with a total height of eleven floors, and the following three floors are basically low floors; For a house with a total height of 20 floors, the lower floor is below the fifth floor; For a house with a total height of thirty or forty stories, the lower floor is below the eighth floor.