Public announcement regarding the acceptance of the environmental impact assessment report for the high-end electronic chemicals project of Hubei Taihe Gas (Jingzhou) Co., Ltd

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On August 27, the environmental impact assessment report for the high-end electronic chemicals project was made public after it was submitted. Project details: Location of construction: South extension of Dongfang Avenue, Jingzhou Economic and Technological Development Zone, Hubei Province. Total investment: 500 million yuan. Constructor: Taihe Gas (Jingzhou) Co., Ltd. Scope of construction: This project involves the construction of a Class A production facility (Facility No. 4) on newly acquired land for the production of phosphines, as well as a Class A warehouse (Warehouse No. 4), a tank farm, and two storage sheds; corresponding waste gas treatment facilities will also be installed； The other products are located throughout the new factory complex under construction, making use of the existing workshops, warehouses, as well as facilities for support services, environmental protection, and risk mitigation. The project features 25 production lines, with an annual output of 12,418 tons of various special materials used in semiconductor manufacturing. Production capacity planning: 10,000 tons per year of carbon dioxide, 1,000 tons per year of ethyl orthosilicate, 20 tons per year of diiodosilane, 150 tons per year of phosphine, 10 tons per year of molybdenum dichlorodioxide, 30 tons per year of trimethylsilane, 150 tons per year of tetramethylsilane, 3 tons per year of n-octane, 20 tons per year of bis(diethylamino)silane, 20 tons per year of tris(dimethylamino)silane, 50 tons per year of trimethylsilylamine, 50 tons per year of octamethylsiloxane, 60 tons per year of diborane, 20 tons per year of trimethylamine, 20 tons per year of hafnium tetra(methylethylamino), 30 tons per year of cyclopentadienyltris(dimethylamino)hafnium, 30 tons per year of tris(dimethylamino)cyclopentadienylzirconium, 30 tons per year of tris(dimethylamino)n-propylcyclopentadienylzirconium, 50 tons per year of ethylene, 5 tons per year of tungsten pentachloride, 10 tons per year of molybdenum pentachloride, 10 tons per year of tantalum penta(dimethylamino), 50 tons per year of tin tetra(dimethylamino), 100 tons per year of phosphorus trifluoride, 500 tons per year of hexafluoro-1,3-butadiene. Taihe Gas. Taihe Gas (Jingzhou) Co., Ltd. (hereinafter referred to as “Taihe Gas”) was established in August 2010, with its factory located in the Jingzhou Economic and Technological Development Zone in Hubei Province. The company has the right to import and export independently and holds 30 core patents for electronic specialty gases. The company focuses on the research, development, and production of electronic specialty gases, providing such gases and related services to high-tech industries such as semiconductors, displays, optical fibers, and solar energy. Its main products have found their way into the supply chains of internationally renowned semiconductor manufacturers such as TSMC, Samsung Electronics, BOE, and SMIC.