GENEVA, April 27 -- QINGDAO GSM ELECTRIC CO., LTD. (R.2023-2381 (A), 1st Floor of East Office Building, No. 45 Beijing Road, Qianwan Bonded Port AreaChina (Shandong) Pilot Free Trade Zone Qingdao AreaQingdao, Shandong 266000), 青岛吉士马电气有限公司 (中国山东省青岛市中国(山东)自由贸易试验区青岛片区前湾保税港区北京路45号东办公楼一楼2023-2381(A)) filed a patent application (PCT/CN2025/135604) for "CORRUGATED STEEL PLATE BENDING MACHINE" on Nov 18, ...