GENEVA, March 29 -- SHENZHEN WUBEN MATERIAL TECHNOLOGY CO., LTD. (13A Rainbow Building, Rainbow New City, No. 3002, Caitian South Road, Gangxia Community, Futian Sub-district, Futian DistrictShenzhen, Guangdong 518000), 深圳务本材料科技有限公司 (中国广东省深圳市福田区福田街道岗厦社区彩田南路3002号彩虹新都彩虹大厦13A) filed a patent application (PCT/CN2025/121614) for "ARTIFICIAL PUMICE STONE AND PREPARATION METHOD THEREFOR" on Sep 16, 2025. With publication no. WO/2026/061364, the ...