Retail & Household
| Mon 17 Aug 2026
Beijing, Aug. 17 -- Kcm Valve Co Ltd has applied Chinese patent for Needle Bearing Swing Check Valve. Sun Dongping, Lan Qijie, Zhang Lijun, Wang Cheng, Sun Yongling, Liu Jianping, Wang Xiaoqin, Wang Xiaozhe, Li Jinhuang, Zhang Bici and Zhang Yuliang developed it.
The patent application number is CN202610168167 20260205. The p..