GENEVA, Oct. 26 -- NANTONG CHANGJIA INTERNATIONAL TRADING CO., LTD (Room 506, Building 8, No.58 Century Avenue, Chongchuan District, NantongJiangsu 226000), 南通昌佳国际贸易有限公司 (中国江苏省南通市崇川区世纪大道58号恒隆国际大厦8幢506室) filed a patent application (PCT/CN2024/092502) for "FILTERING STRUCTURE HAVING THROUGH HOLES AND PREPARATION METHOD THEREFOR" on May 11, 2024. With publication no. WO/2025/217964, the details related to the patent application was published on Oct 23, 2025.

Notably, the patent application was s...