Security & Protection
| Wed 01 Jul 2026
Beijing, July 1 -- Jiangsu Suyan Valve Machinery Co Ltd has applied Chinese patent for Cutting Equipment for Fireproof Stop Valve Production and Machining. Han Zhenghai, Han Wenhao, Wang Feng, Han Xueping, Kuang Qianqian, Lu Cheng, Huang Jianjun, Wang Yin and Han Zhengdong developed it.
The patent application number is CN2026..