sub-industries such as insulated pipe solar water heaters face environmental protection bans
recently, the ecological environment the ministry of finance issued the “announcement on prohibiting the production of insulated pipe products and solar water heater products using 1,1-dichloro-1-fluoroethane (hcfc-141b) as the blowing agent”, which will come into effect on december 1, 2023. the issuance of the “announcement” is an important guarantee to promote the elimination process of…

