Suspended floor, also known as suspended assembled floor, is a kind of floor used in stadiums. Its main material is modified polypropylene (PP). 1974 originated in America. As the name implies, its main features are "suspension" and "assembly". At first, it entered people's lives as a building material for leisure places. Later, with the wide application and love of sports, people hope that this material can also be used in sports venues. After the efforts of experts and the continuous improvement of product design and material formula, the performance of the product can finally meet the requirements of sports. Widely used in Europe and America. At present, there are about 654.38 million+stadiums in the world using this floor, and it has cooperated with NBA for 30 years. Because of its convenient installation and excellent performance, many NBA players use this floor in their private training courses. In modern times, it is widely used in kindergartens and other public places because of its environmental protection and safety characteristics.