Since 2019, Mr. Daniel Chia-Hung Chien has served as the Vice President of XPX Taiwan Coal Mine Museum, which is located in the historic XinPingXi Coal Mine in the northeastern part of New Taipei City, Taiwan, dedicated to coal mine and railway history and related topics.

Recent projects are the regional revitalization of the PinXi district, the Great Northeast Destination Marketing Organization(DMO) and reutilization of mine-cart railway in Keelung River Valley.