GENEVA, April 27 -- SHANGHAI ZOOMLION PILING MACHINERY CO.,LTD (No. 297,Binfen RoadSongjiang District, Shanghai 201613), 上海中联重科桩工机械有限公司 (中国上海市松江区缤纷路297号) filed a patent application (PCT/CN2025/127025) for "ROTARY DRILLING RIG, AND MAST ERECTION METHOD FOR ROTARY DRILLING RIG" on Oct 11, 2025. With publication no. WO/2026/081952, the details related to the patent application was published on Apr 23, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property O...