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Ministry of Ecology and Environment: In order to effectively implement the "Montreal Protocol on Substances that Deplete the Ozone Layer", in accordance with the relevant provisions of the "Regulations on the Management of Substances that Deplete the Ozone Layer" and the requirements of the "National Plan for Implementing the Montreal Protocol on Substances that Deplete the Ozone Layer", the Ministry has organized the drafting of the "Announcement on Prohibiting the Production of Multi-Split Air Conditioning Units Using R-22 Refrigerants".