GENEVA, Sept. 15 -- POWERCHINA ECO-ENVIRONMENTAL GROUP CO., LTD. (11th Floor, Building A Hainabaichuan Headquarter, No.6 Baoxing Road, Haibin Community, Xin'an Street, Bao'an DistrictShenzhen, Guangdong 518100), 中电建生态环境集团有限公司 (中国广东省深圳市宝安区新安街道海滨社区宝兴路6号海纳百川总部大厦A座11层) filed a patent application (PCT/CN2024/099494) for "AERATION DEVICE FOR SEWAGE TREATMENT" on Jun 17, 2024. With publication no. WO/2025/185009, the details relate...