GENEVA, June 1 -- CISDI EQUIPMENT CO., LTD. (Degan Industrial Park, Jiangjin DistrictChongqing 402284), 中冶赛迪装备有限公司 (中国重庆市江津区德感工业园区), CISDI ENGINEERING CO., LTD. (No. 1, Shuanggang Road, Yuzhong DistrictChongqing 400013), 中冶赛迪工程技术股份有限公司 (中国重庆市渝中区双钢路1号) filed a patent application (PCT/CN2024/082936) for "STRAIGHTENER STRUCTURE ALLOWING FOR QUICK STRAIGHTENING ROLL REPLACEMENT, AND ROLL REPLACEMENT M...