Retail & Household
| Mon 02 Nov 2026
Beijing, Nov. 2 -- China Second Metallurgy Group has received a patent for Adjustable Connecting Rod Brush. This invention was developed by Cong Jiqiang, Liu Yujie, Zhao Chenze, Gao Hao, Yan Rongchang, Liu Wenjing, Tian Xiaomeng, Fan Qin, Sun Wenhao, Liu Shengli, Zhou Yanping, Wang Xingwang and Zhang Yue.
The patent applicati..