126 thousand square meters exhibition center, 33 thousand square meters of Dunhuang Grand Theater, these magnificent buildings are covered with thousands of modern equipment. While mastering the performance of these devices, precise control of equipment operation, to ensure first-class first-class venue operations, let guests feel the responsibility to first-class service, so that guests feel class safety and the burden falls on the China maximum security machine manufacturers for brand machine, for security door K508 two security machine K6550 this Gansu Dunhuang the grand Theatre procurement for Gansu Dunhuang theater security guard peace.