2012 SHANGHAI INT'L AD & SIGN TECHNOLOGY & APPARATUUR TENTOONSTELLING 2014 SHANGHAI INT'L AD & SIGN TECHNOLOGY & APPARATUUR TENTOONSTELLING: 2015 SHANGHAI INT'L AD & SIGN TECHNOLOGY & APPARATUUR TENTOONSTELLING 2016 SHANGHAI INT'L AD & SIGN TECHNOLOGY & APPARATUUR TENTOONSTELLING 2017 SHANGHAI INT'L AD & SIGN TECHNOLOGY & APPARATUUR TENTOONSTELLING
