In consideration of the recent Corona 19 situation, the Zero Gate has been launched with a substantial and powerful quarantine function, and the quarantine system is operated through a sensor standing in front of the gate to cleanly remove pollutants and contaminated spaces on the body of visitors. The company's product is a corona 19-related 'entrance prevention sterilizer', divided into household, business, and building use, and is installed at each entrance, enabling the establishment of a safe quarantine system according to the automatic access control system when an outsider visits. . There are no space restrictions due to various sizes and shapes, and there is no inconvenience for visitors as quarantine is prevented in a short time by spraying a large amount of fine particles. It is a safe product that has passed the relevant safety certification as a substance that is harmless to the human body while sterilizing viruses and bacteria, and has a low probability of transmission due to droplets due to prevention of entrance and exit. Pushpull System Co., Ltd. has been recognized for its value by receiving numerous awards related to invention patents in various countries abroad, and is rapidly growing on a solid foundation by being selected as a brand K chosen by the Korean government.