GENEVA, March 2 -- MIGAO CENTURY ENGINEERING TECHNOLOGY (CHENGDU) LIMITED COMPANY (23rd Floor, Block A, Oakes Square Office Building, No. 666, Jincheng Avenue, High-Tech ZoneChengdu, Sichuan 610041), 米高世纪工程技术(成都)有限公司 (中国四川省成都市高新区锦城大道666号奥克斯广场写字楼A座23楼) filed a patent application (PCT/CN2025/110435) for "METHOD FOR PRODUCING POTASSIUM SULFATE USING METATHESIS PROCESS, POTASSIUM SULFATE PRODUCT AND POTASH FERTILIZER" on Jul 24, 2025. With publication no. ...