China has Broad Group who factory mass produces skyscrapers.
Businesswithoutborders - Chinese state-owned conglomerate Dalian Wanda Group Corp is probably best known outside China for its bold $2.6 billion purchase of U.S. movie theater chain AMC this summer. In Chinese real estate circles, however, it’s known for something else altogether: churning out shopping malls in a fraction of the time it would take other developers.The Mall of American has 4.2 million square feet (2.7 million square feet of retail space). The Mall of AMerica took 3 years to build.
Wanda is a household name in China, with 55 “Wanda Plaza” mixed-use developments across China. Among them is Nanjing Jianye Wanda Plaza, a mall with a gross floor area of a 275,000 square meters (68 acres or 2.96 million square feet) – roughly equivalent to 60 American football fields – that the company managed to build in 12 months.