2012 SHANGHAI INT'L AD & SIGN TECHNOLOGY & THE EXHIBITION EXHIBITION 2014 SHANGHAI INT'L AD & SIGN TECHNOLOGY & THE EXHIBITION EXHIBITION 2015 SHANGHAI INT'L AD & SIGN TECHNOLOGY & THE EQUIPMENT PONTSHO 2016 SHANGHAI INT'L AD & SIGN TECHNOLOGY & THE EQUIPMENT PONTSHO 2017 SHANGHAI INT'L AD & SIGN TECHNOLOGY & THE EQUIPMENT PONTSHO
