Metal & Mining
| Fri 19 Dec 2025
Beijing, Dec. 19 -- Dabo Tech Shanghai Co Ltd has filed a patent application for Poi Substrate, Surface Acoustic Wave Filter and Preparation Method Thereof. This invention was developed by Yang Kai, Xue Chenglong, Bai Wenwen, Wang Hanguan, Yang Penghui, Liu Peisen, Xiao Boyuan, Zhou Xinchen, Gao Jiajun, Hua Qianhui, Guo Hongchen..