Semiconductor
| Wed 18 Feb 2026
Beijing, Feb. 18 -- Yunnan Yongchang Silicon Ind Co Ltd has applied Chinese patent for Intelligent Refining Method and System for Industrial Silicon. Wen Jianhua, Yang Guiming, Wang Zhengyong, Lu Guohong, Zhang Zhongyi, Ren Jinghui, Dong Shumeng, Li Xue, Zhang Shukang, Gao Guangfu, Liao Changhu, Yang Rongming, Shen Xinglyu, Shen..