Engineering
| Wed 20 Nov 2024
Beijing, Nov. 20 -- Dalian Guofeng Wanhua Tech Development has been granted a patent for sucker fixing support convenient to adjust. This invention was developed by Li Fengqin, Dou Guangbin, Yu Zhengchao, Wang Zetong, Wang Hai, Ren Shenglan, Yin Xiuxiu, Liu Shumin, Yu Hai, Dong Zhichao and Zhang Honglin.
The patent applicatio..