Tianjin municipal Mayor Huang Xingguo removes the veil covering a sign reading "China (Tianjin) Pilot Free Trade Zone", at an unveiling ceremony in Tianjin municipality, April 21, 2015. REUTERS/Stringer/File Photo

Tianjin municipal Mayor Huang Xingguo removes the veil covering a sign reading “China (Tianjin) Pilot Free Trade Zone”, at an unveiling ceremony in Tianjin municipality, April 21, 2015. REUTERS/Stringer/File Photo

Tianjin municipal Mayor Huang Xingguo removes the veil covering a sign reading "China (Tianjin) Pilot Free Trade Zone", at an unveiling ceremony in Tianjin municipality, April 21, 2015. REUTERS/Stringer/File Photo

September 10, 2016 12:04 PM (UTC+8)