Public announcement on the environmental impact assessment for the high-purity electronic-grade sulfur hexafluoride gas project in Ya’an, Sichuan

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On September 2, in accordance with the relevant provisions of the approval procedures for environmental impact assessments of construction projects, the Management Committee of Ya’an Economic and Technological Development Zone accepted the Environmental Impact Assessment Report for the Sulfur Hexafluoride High-Purity Electronic Grade Gas Project submitted by Sichuan Zhongqi New Materials Technology Co., Ltd. The acceptance status is now being made public, with the publicity period running from September 2, 2025, to September 15, 2025 (10 working days). Project Name: High-Purity Electronic Grade Sulfur Hexafluoride Gas Project ； Construction unit: Sichuan Zhongqi New Energy Materials Technology Co., Ltd ； Construction location: Yongxing Area, Ya’an Economic Development Zone, Sichuan ； Project investment: The total investment in the project is 52.32 million yuan ； Project nature: Expansion ； Construction scale: The project plans to expand one production line for high-purity sulfur hexafluoride with an annual capacity of 5,000 tons, while producing 40% hydrofluoric acid as a by-product. After the expansion, the production capacity of high-purity sulfur hexafluoride reaches 10,000 tons per year ； Product plan: The products of the proposed project include high-purity sulfur hexafluoride, along with 40% hydrofluoric acid as a by-product.