INTERNATIONAL PATENT: CRRC QIQIHAR ROLLING STOCK CO., LTD., 中车齐齐哈尔车辆有限公司 FILES APPLICATION FOR "OPENING AND CLOSING MECHANISM OF SLIDING PLUG DOOR, SLIDING PLUG DOOR AND OPENING AND CLOSING METHOD THEREFOR AND RAILWAY FREIGHT CAR"

GENEVA, Feb. 8 -- CRRC QIQIHAR ROLLING STOCK CO., LTD. (No. 36, Changqian 1st Ave., Tiefeng DistrictQiqihar, Heilongjiang 161002), 中车齐齐哈尔车辆有限公司 (中国黑龙江省齐齐哈尔市铁锋区厂前一路36号) filed a patent application (PCT/CN2025/109047) for "OPENING AND CLOSING MECHANISM OF SLIDING PLUG DOOR, SLIDING PLUG DOOR AND OPENING AND CLOSING METHOD THEREFOR, AND RAILWAY FREIGHT CAR" on Jul 17, 2025. With publication no. WO/2026/026562, the details related to the patent application was published on Feb 05, 2026.

Notably, the patent application was submitted...