GENEVA, Jan. 11 -- CRRC QINGDAO SIFANG CO., LTD. (No.88 Jinhongdong Road, Chengyang DistrictQingdao, Shandong 266111), 中车青岛四方机车车辆股份有限公司 (中国山东省青岛市城阳区锦宏东路88号) filed a patent application (PCT/CN2025/078735) for "LAYING STRUCTURE OF AND LAYING IMPLEMENTATION METHOD FOR THICK-WALLED MULTI-CAVITY PULTRUDED BEAM IN SHAPE OF CHINESE CHARACTER "目" FOR VEHICLE BODY" on Feb 24, 2025. With publication no. WO/2026/007429, the details related to the patent application was published on Jan 08, 2026.
Notably, the patent applicat...