China’s three oil industrial giants?on?April 20,2009?began building an Oil Pavilion for the Expo 2010.

The China National Petroleum Corporation, China Petrochemical Corporation and China National Offshore Oil Corporation, are building a 3,600-square-meter Oil Pavilion.

The pavilion, with an "Oil -- extending city dreams" theme will show visitors the contributions that petroleum has made to urban development.

It will be in the shape of a cube with screens covering its surfaces. The screens will change color and screen short films.

The pavilion is expected to be completed before February.

Twelve central enterprises will build six corporate pavilions for the Expo Shanghai, including the National Grid Pavilion, the Information and Communication Pavilion by China Mobile and China Telecom, and a Space Home Pavilion by some aerospace enterprises.

The Expo will have a total of 16 corporate pavilions.