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On May 19, the Administrative Approval Bureau of Handan City published a notice indicating its intention to approve the environmental impact assessment document for the \"200-ton annual production of high-purity hexafluorobutadiene\" project carried out by CSIC (Handan) Pairei Special Gases Co., Ltd. (referred to as \"CSIC Special Gases\"). The public notice period is from May 18 to 25, 2026. Project Name: Construction of a plant with an annual production capacity of 200 tons of high-purity hexafluorobutadiene by CSIC (Handan) Pairei Special Gases Co., Ltd.
Nature of the project: Renovation and expansion
Location: Jingjin New Materials Industrial Park, Feixiang District, Handan City, Hebei Province (within the company’s existing factory premises)
Project owner: CSIC (Handan) Pairei Special Gases Co., Ltd.
Public announcement period: May 18, 2026, to May 25, 2026
Investment amount: 3.8257 million yuan
Scope of the project: Technical upgrades to be carried out using some of the equipment from the company’s existing high-purity hexafluorobutadiene production line. The project uses crude hexafluorobutadiene as raw material and purifies it through a distillation system, producing 200 tons of high-purity hexafluorobutadiene per year. Product prospects: Hexafluorobutadiene is regarded as a new generation of fluorinated etching gases, offering excellent etching performance along with a lower environmental impact. It is widely used in the etching and deposition processes for logic chips, DRAMs, and 3D NAND memory chips, thus holding great market potential.
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