After announcing the goal of reaching the carbon peak by 2030 last year, China’s government is now elaborating its action plan to reach this target. Improving energy efficiency in energy-intensive sectors is an important part of the decarbonization roadmap in parallel with the increased use of renewable energy. Although the implementation process will remain ambiguous with economic interests taking priority at times, the energy efficiency upgrading guidance clearly signals China’s ambitions and provides foreign companies opportunities to establish greener supply chains in China.