The company successfully developed and mass production of the PTJ-120 spraying machine, is a certain technical content of the plastic surface of spraying equipment space, it uses more advanced material technology and air screw rotor material of the compact layout of the same plane, improve its adaptation to the extent of spray sites, and its performance greatly to the construction of the stadium to meet the requirements of the quality of sports venues to reach target, set high-performance, low power, high-quality features and easy operation in one, with long term use of authentication, and widespread domestic welcomed and recognized the user.