GENEVA, Oct. 12 -- SHENZHEN HONGKANG ENVIRONMENTAL TECHNOLOGY CO., LTD. (Room 302, Building E, Tongfang Information Port, No. 11 Langshan Road, Songpingshan Community, Xili Street, Nanshan DistrictShenzhen, Guangdong 518000), 深圳市宏康环境科技有限公司 (中国广东省深圳市南山区西丽街道松坪山社区松坪山朗山路11号同方信息港E座302) filed a patent application (PCT/CN2024/086066) for "DETACHABLE AND PORTABLE DIRECTLY INHALABLE NEGATIVE OXYGEN ION GENERATING DEVICE" on Apr 03, 2...