The story
In the 1990s the company underwent fast-paced growth as the home city of Shanghai was finally allowed to join in the reform and growth sweeping China. The city became a "builder's dream" and SCG benefited from the pent up zeal for projects with revenue climbing up 30% annually. As the hometown builder, SCG is responsible for many of the landmarks of Shanghai including Shanghai Tower.
From Wikipedia’s article on Shanghai Construction Group, shared under CC BY-SA 4.0.4