Beijing Olympic Park in the underground business of building and sinking Ⅲ section of garden at the Olympic Central District, Datun Road, north west view road, south of road, east of the underground business Ⅱ Construction site to complete the main structure of the basic construction, the ongoing construction of earth Ventilation and air conditioning professional construction including ventilation, air conditioning, smoke, frozen Kitchen ventilation systems to be professional equipment manufacturers for process design to complete construction plans during construction, conditions are This project is an important during the Olympic Games the service function of the building Olympic Games, underground commercial building space as a spare space to provide services for the Olympic G After the Olympics, there will be a set of commercial, leisure, tourism as a whole, services in and around the Olympic Park and the city in the northern region for the large-scale commercial 要选我哦