National Exhibition and Convention Center(short for NECC) is the largest single block building and exhibition complex in the world with a total construction area of 1.47 million square meters, among which 1.27 million square meters are above ground. It is only 1.5 km (straight-line distance) away from the Hongqiao Transportation Hub, and is connected with Hongqiao Airport and Hongqiao Railway Station via the city's Metro Line 2.

Facilities at the NECC include exhibition halls, the commercial center, the office buildings, and a hotel. These four facilities are linked together by an 8-meter-high elevated pedestrian walkway.

This large complex offers 500,000 square meters of exhibition space, including 400,000 sq m of indoor exhibition space and 100,000 sq m of outdoor display areas. The indoor exhibition space include 13 large exhibition halls (28,800 sq m each), and 3 small halls (10,000 sq m each). All the exhibition halls are directly accessible by freight carriers.