GENEVA, July 18 -- HEILONGJIANG MCNISON EQUIPMENT MANUFACTURING CO., LTD. (New A-16 Factory Building, High-end Equipment Manufacturing Park, Daqing High-tech ZoneDaqing, Heilongjiang 163316), 黑龙江麦克尼森装备制造有限公司 (中国黑龙江省大庆市大庆高新区高端装备制造园新A-16号厂房) filed a patent application (PCT/CN2024/071127) for "OIL PUMPING UNIT USING CONCENTRIC DUAL-SHAFT DRIVE CONTROL DEVICE" on Jan 08, 2024. With publication no. WO/2025/147808, the details related to the patent application was publish...