have their operations in the Science and Technology park in Nanshan District or outside the core districts where labor and land are much cheaper. CSG Holding is the largest architectural glass manufacturer in China. Vanke is the largest residential real estate developer in China. In the financial sector, Shenzhen Development Bank, China Merchants Bank and Shenzhen City Commercial Bank are some of the largest banks in China, with headquarters in Shenzhen.
Shenzhen Convention & Exhibition Center is a super large public construction with multi-functions of hosting business activities, celebrations, conferences, conventions, entertainment events, exhibitions, restaurants and all kinds of shows.
In 2010, the GDP reached a record high of 951 billion yuan, an increase of 10.7% over 2009. Shenzhen's economic output is ranked fourth among the 659 Chinese cities (behind Beijing, Shanghai and Guangzhou), and it is comparable to that of a medium sized province in China. In 2010, Shenzhen's GDP per capita was 95,000 yuan (US$14,615), making it one of the richest of all Chinese cities.
On 1 July 2010 the Shenzhen special economic zone was expanded from 396 square kilometres (153 sq mi) to 1,953 square kilometres (754 sq mi) and border controls with the rest of China relaxed
