At the present time, except monthly exhibition, Galerie Grand Siècle also participates in international art fairs to expand artistic communication, such as ARCO (2009), Art Hong Kong (2008-2011), Art 14-15 London (2014-2015), Art Stage Singapore (2011-2014), Tokyo Frontline art fair (2010-2011), ART OSAKA (2009-2015), Loop Barcelona (2006-2007), Shanghai Contemporary Art Fair (2007), KIAF (2003-2006), Art Beijing(2004-2005), DiVA New York-Paris- Cologne -Miami(2005-2007), MiART (2006), PUSLE Miami(2005).
As the previous chairman of Taiwan Art Gallery Association, CHANG has been the organiser of ART TAIPEI FORUM, focusing on the observation in global art and market trend, he was also the founder / chairman of ART TAIPEI 2010-2012, promoting the local art fairs internationally. He is currently the director of ART KAOHSIUNG and Formosa Art Show art fair.