GENEVA, June 22 -- RELIABILITY OPTIMIZATION METHOD OF ULTRA-DEEP WATER PILING HAMMER SYSTEM (No.99 Songling RoadQingdao, Shandong 266061), 青岛科技大学 (中国山东省青岛市松岭路99号), CHINA SHIYOU UNIVERSITY (EAST CHINA) (No.66, Changjiang West Road, Huangdao DistrictQingdao, Shandong 266580), 中国石油大学（华东） (中国山东省青岛市黄岛区长江西路66号) filed a patent application (PCT/CN2024/138654) for "METHOD FOR OPTIMIZING RELIABILITY OF ULTRA-DEEPWATER PILE HAMMER SYSTEM" on Dec 12,...