GENEVA, April 4 -- SHENZHEN HEHAN TECHNOLOGY CO., LTD. (No.401 and 4th to 6th Floors, Building D, Shenzhen Qianwan Hard Science And Technology Industrial Park, Nanchang Community, Xixiang Street, Bao'an DistrictShenzhen, Guangdong 518000), 深圳市禾晗科技有限公司 (中国广东省深圳市宝安区西乡街道南昌社区深圳前湾硬科技产业园D栋401及第4-6楼) filed a patent application (PCT/CN2025/089791) for "CONTROL SYSTEM FOR AMOUNT OF LIQUID OF ATOMIZER" on Apr 18, 2025. With publication no. WO/2026/...