Taifeng Park in Tianjin Economic-Technological Development Area represents the local authorities' latest efforts in improving ecology. [Photo provided to China Daily]

In 2015, the logistics company's revenue reached 80 million yuan ($12 million), about 10 times the value in 2013 when there were three separate companies. Revenue is expected to reach 120 million yuan by the end of 2016, according to Li.

Large enterprises from neighboring Beijing and Hebei were also attracted to the Tianjin Pilot Free Trade Zone to set up their headquarters.

At the beginning of 2016, Hebei Iron and Steel Group opened its financial leasing and commercial factoring operations in Dongjiang.