GENEVA, March 23 -- HUDONG-ZHONGHUA SHIPBUILDING (GROUP) CO., LTD. (2851 Pudong AvenuePudong New Area, Shanghai 200129), 沪东中华造船（集团）有限公司 (中国上海市浦东新区浦东大道2851号), CHINA STATE SHIPBUILDING CORPORATION LIMITED (889 Zhonghua RoadHuangpu District, Shanghai 200010), 中国船舶集团有限公司 (中国上海市黄浦区中华路889号) filed a patent application (PCT/CN2024/098864) for "LOW-TEMPERATURE-RESISTANT SEALING FILM FOR COVERING INSULATING...