9 September, the grand opening of the third session of the Tianjin helicopter exposition, the exhibition for the first time adding the UAV Pavilion, many enterprises with the debut of the flagship product, causing widespread concern. In the Kaimai (Luoyang) measurement and Control Co., Ltd. booth, display a number of airborne photoelectric reconnaissance device, of which a photoelectric pod "PLY-12" attracted the attention of reporters, it is understood, the equipment weight about 50 kg, which is now widely used in China.