[Zhejiang: Implement energy-saving, carbon- and pollution-reducing transformation of key enterprises and carry out voluntary cleaner production audits] On October 20, the Zhejiang Provincial People's Government issued the "15th Five-Year Plan" for the construction of a beautiful Zhejiang (ecological and environmental protection), which proposed to accelerate the transformation and upgrading of the industrial structure, in-depth implementation of the "vacate the cage for birds, Phoenix Nirvana" campaign, further tighten environmental protection, energy-saving and consumption-reducing standards, and strictly enforce the access management of new reconstruction and expansion projects. Accelerate the green and low-carbon transformation of key industries and promote the adjustment of the product structure of the petrochemical industry. Promote the improvement and improvement of no less than 30 industrial clusters. Resolutely curb the blind and disorderly launch of "two high" projects, and promote the green transformation of existing "two high" projects with "one policy, one policy". Implement energy-saving, carbon- and pollution-reducing transformation of key enterprises, carry out voluntary cleaner production audits, and cultivate leaders in energy and water efficiency. We will build a collaborative innovation zone for pollution reduction and carbon reduction, complete the green, low-carbon recycling transformation of development zones at the provincial level and above, and build 20 provincial-level zero-carbon parks and 50 collaborative pollution reduction and carbon reduction parks. Promote the construction of a green manufacturing system and create a number of green and low-carbon industrial clusters such as energy conservation and carbon reduction, environmental protection, and resource recycling.