GENEVA, July 7 -- CHANGCHUN HUIBANG TECHNOLOGY CO., LTD. (Room 513-B, Area B, High-Tech Center (Intersection Of Longhu Road And Zhongke Street), Beihu Science And Technology Development ZoneChangchun, Jilin 130000), 长春惠邦科技有限公司 (中国吉林省长春市北湖科技开发区高科技中心（龙湖大路与中科大街交汇处）B区513-B室) filed a patent application (PCT/CN2024/074879) for "SHUTTLE AND ROTOR ASSEMBLY HAVING BALANCING APPARATUS" on Jan 31, 2024. With publication no. WO/2025/138...