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On February 26, the Zhizao New City Branch of the Quzhou Ecology and Environment Bureau approved the technological upgrade project for Quzhou Huanxin Fluorine Materials Co., Ltd., which aims to produce 5,200 tons of fluorosilicon materials per year. The project plans to invest 27 million yuan to add equipment such as reaction vessels, distillation towers, heat exchangers, and rubber processing machines within the premises of Quzhou Huanxin Fluorine Materials Co., Ltd. in the high-tech zone of Quzhou Smart Manufacturing New City, in order to carry out a technical upgrade project aimed at producing 5,200 tons of fluorosilicon materials per year. The original approved production capacity was 5,000 tons per year for trifluoropropene and 1,000 tons per year for fluorosilicone rubber; the actual production capacity was 2,000 tons per year of trifluoropropene (1,000 tons per year via the vapor-phase method and 1,000 tons per year via the liquid-phase method), with 0 tons per year of fluorosilicone rubber. The new capacity added this time is 3,000 tons per year of trifluoropropene (using the vapor-phase process) and 200 tons per year of fluorosilicone rubber. Additionally, the original 1,000 tons per year of trifluoropropene production will be shifted from the liquid-phase process to the vapor-phase process. As a result, the overall production capacity will be 5,000 tons per year of trifluoropropene (via the vapor-phase method) and 200 tons per year of fluorosilicone rubber, with by-products of 756.9 tons per year of 30% hydrofluoric acid and 27,099 tons per year of 30% hydrochloric acid being generated. Quzhou Huanxin Fluorine Materials Co., Ltd. (Quzhou Huanxin) was established in 2013 and is located in the high-tech area of Quzhou Smart Manufacturing New City, Zhejiang Province. It is a private enterprise in the field of fine chemical manufacturing, focusing on the production of fluorosilicon new materials and fluorine-based fine chemicals. With a registered capital of 100 million yuan, the company covers an area of approximately 124.28 mu, and it possesses production facilities capable of producing 2,000 tons of trifluoropropene, 600 tons of trimers, 1,500 tons of tetrafluoropropene, and 835 tons of fluorine-containing fine chemicals per year.