Career
He is currently the since 22 January 2014. Garbage trucks donation
In April 2014, Taiwanese business people in Indonesia donated four garbage trucks through Chang to Jakarta Lieutenant Governor Basuki Tjahaja Purnama to help the city government to handle waste-related issues. Chang said that the help was given because all this while, many Taiwanese business people have cooperated a lot in various sectors with the Jakarta City Government.
Basuki responded by saying that Taiwan has helped Jakarta a lot in handling its continuous flood problems, such as by the Tzu Chi Foundation.