Construction
| Wed 06 May 2026
Beijing, May 7 -- Shaanxi Huashan Road and Bridge Group has submitted a patent application for Welding Device for Building Housing Construction. This invention was developed by Zhang Popo, Li Ruigang, Wang Weizhao, Liang Shuai, Pan Xinxin, Li Hongchao, Zhang Zequn, Yan Biao, He Jiahao, Chen Xuefeng, Du Yong and Zhang Jiawen.
Th..