Photo taken on April 10, 2017 shows the unveiling ceremony of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province. (Xinhua/Yang Qing)

Photo taken on April 10, 2017 shows the office building of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province, April 1, 2017. Shenyang area of China (Liaoning) Pilot Free Trade Zone was unveiled here on Monday. (Xinhua/Yang Qing)

An applicant shows his business licenses at the service hall of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province, April 10, 2017. Shenyang area of China (Liaoning) Pilot Free Trade Zone was unveiled here on Monday. (Xinhua/Yang Qing)

People enquire at the service hall of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province, April 10, 2017. Shenyang area of China (Liaoning) Pilot Free Trade Zone was unveiled here on Monday. (Xinhua/Yang Qing)

People enquire at the service hall of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province, April 10, 2017. Shenyang area of China (Liaoning) Pilot Free Trade Zone was unveiled here on Monday. (Xinhua/Yang Qing)

A working staff issues business licenses for entrepreneurs at the service hall of the Shenyang area of China (Liaoning) Pilot Free Trade Zone in Shenyang, capital of northeast China's Liaoning Province, April 10, 2017. Shenyang area of China (Liaoning) Pilot Free Trade Zone was unveiled here on Monday. (Xinhua/Yang Qing)