Tools and Machinery
| Mon 03 Aug 2026
Beijing, Aug. 3 -- Hangzhou New Century Mixed Gas Co Ltd has submitted a patent application for Movable Grinding Material Filling Machine for Gas Cylinder. This invention was developed by Yang Shuifen, Yang Dongsheng, Bao Guangqiang, Jia Renyuan, Wang Le, Jiang Hongda, Wu Guozhong, Yao Zhigang, Wang Xin, Du Weidong, Ren Chao, Ye..