Guo Xiaolin, Deputy Director, Foreign Environmental Cooperation Center of Ministry of Ecology and Environment, China. Ms. Guo has been engaged in the implementation of the Vienna Convention for the Protection of the Ozone Layer and the Montreal Protocol. Her main working fields include policy and strategy research, the implementation of ODS phase-out and HFCs reduction, research on environmental friendly alternatives, bilateral and multilateral international cooperation,.etc. As a member of the Chinese government delegation, she has participated in the Conference of the Parties to the Convention and the Protocol, and the Executive Committee of the Multilateral Fund for many times, and undertook the negotiation of issues. She is the Chair of the Montreal Protocol Implementation Committee in 2022. She has in charge of the preparation and implementation of more than ten ODS phase out sector plans to promote the research and application of low-carbon alternative technologies in related industries.