2019 is the big day for the 20th anniversary of Macao's return to the motherland. All walks of life in Macao attach great importance to the safety and security work during the celebration. In order to ensure the smooth completion of the celebration of the 20th anniversary of Macao's return to the motherland, HXZA UAV control team has been strictly selected from the members participating in the security mission of the 70th anniversary of the founding of new China Wang Wenbao, Zhang Zuxing and other anti-aircraft team members formed an elite team. They sent out 4 anti-control command vehicles (3 in Macao and 1 in Zhuhai), 14 sets of fixed point defense equipment, 20 sets of hand-held equipment, 12 sets of UAV GPS guidance system, and 4 sets of cloud whistle UAV detection system, forming a three-dimensional prevention and control system.At the same time, flexible use of UAV control equipment has established a three-dimensional prevention and control area of sea, land and air. From sea to land, from vehicle mobile to fixed and portable, we will jointly create a low altitude safety circle in the core area of Macao. After the celebration, the Macao Special Administrative Region Security Police Bureau sent a special thank-you letter to HXZA, thanks to HXZA UAV control team for its outstanding contribution to ensuring the safety of the celebration. It is hoped that in the future, it will continue to have in-depth exchanges with HXZA and maintain close cooperation.