THE combined revenue of enterprises at Shanghai's Zhangjiang High-Tech Park is expected to double in 2015, local officials said yesterday. The city government will take measures to boost the development of the industrial zone, including tax incentives, enlarged land and supporting finance policies, according to Hou Jing, vice director of the Zhangjiang park situated in the Pudong New Area. The revenue of Zhangjiang firms is expected to hit 3.3 trillion yuan (US$523 million) in 2015, compared with 1.88 trillion yuan in 2012. In 2020, it will reach 6 trillion yuan, officials predicted.