Shenzhen is located in the mid-southern coastline of China Guangdong province. It is close by Tai Ya Bay in the east, near the mouth of Zhujiang river in the west and connecting with Hong Kong on it's the south. It is China’s earliest and biggest Special Economic Zone.  It is one of the fastest developing cities in China. Many big companies and enterprises of China as well as of world have established their branch or subsidiaries here.