4.1 Conduct a survey to identify and determine the potential subsectors to implement the circular economy concept. 2021-2023. 4.2 Introduce the life cycle approach for selected subsectors for greening the supply chain. 2021-2030. 4.3 Practice industrial symbiosis concept in selected industrial parks and industrial sub-sectors. 2021-2030. 4.4 Establish a pilot project on the zero-waste concept in selected industrial parks or industrial subsectors. 2021-2025.