Optical-grade fluoride salt technical upgrade project of Chengde Yingke Fine Chemicals Co., Ltd

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Project Name: Technical Upgrade Project for Optical-grade Fluoride Salts at Chengde Yingke Fine Chemicals Co., Ltd； Location: Dongsanjia Village, Pingquan Town, Pingquan City, Chengde City, Hebei Province ； Construction unit: Yingke New Materials Co., Ltd ； Construction details: By building on the existing optical-grade fluoride salt production line, the construction of necessary infrastructure for safety, environmental protection, and fire control can all be carried out using the existing facilities. Some new equipment will be purchased; no new civil engineering works will be carried out, and the existing production lines will be technically upgraded. The planned production capacity is 650 tons per year of optical-grade fluorides. The product plan is as follows: 50 tons per year of zirconium fluoride ； Cadmium fluoride 50 tons/year ； Rubidium fluoride 50 tons/year ； Cesium fluoride 50 tons/year ； Copper fluoride 50 tons/year ； Zinc fluoride 50 tons/year ； Bismuth fluoride 50 tons/year ； Potassium fluosilicate 50 tons/year ； Sodium fluosilicate 50 tons/year ； The total production of rare earth fluorides (fluoride salts of all 17 rare earth elements, including lanthanum fluoride, ytterbium fluoride, neodymium fluoride, gadolinium fluoride, etc.) is 200 tons per year; the overall annual production capacity for optical-grade fluoride salts is 650 tons per year. Public display period: January 9, 2026 – February 6, 2026.