INTERNATIONAL PATENT: XU, XINQING, 徐新庆, XU, JIAJING, 徐嘉婧 FILES APPLICATION FOR "PIPELINE LOWERING ASSEMBLY LINE AND PIPE LOWERING METHOD"

GENEVA, March 29 -- XU, Xinqing (Room 502, Unit 1, Building 23, No. 31 Yingshi Street, Dongying DistrictDongying, Shandong 257066), 徐新庆 (中国山东省东营市东营区影视街31号23号楼1单元502室), XU, Jiajing (Room 502, Unit 1, Building 23, No. 31 Yingshi Street, Dongying DistrictDongying, Shandong 257066), 徐嘉婧 (中国山东省东营市东营区影视街31号23号楼1单元502室) filed a patent application (PCT/CN2025/125677) for "PIPELINE LOWERING ASSEMBLY LINE AND PIPE LOWERING METHOD" on ...