Changchun Culture & Ecology park, the former Changchun No. 1 Water Treatment Plant built during the Manchukuo Regime, is a design and operation project of urban regeneration related to the protection and transformation of industrial heritage, which has a history of water supply for eighty years in Changchun and rare ecological green space in urban hinterland with an area of 300,000 square meters. dassoCTECH is applied in this project, providing a classy IPE color.