2012 SHANGHAI INT'L AD &SIGN TECHNOLOGY & EQUIPMENT EXHIBITION 2014 SHANGHAI INT'L AD &SIGN TECHNOLOGY & GUIPMENT EXHIBITION 2015 SHANGHAI INT'L AD &SIGN TECHNOLOGY & LAKO HOIKE. 2016 SHANGHAI INT'L AD &SIGN TECHNOLOGY & LAKO HOIKE. 2017 SHANGHAI INT'L AD &SIGN TECHNOLOGY & LAKO HOIKE.
