Plastics
| Mon 09 Feb 2026
Beijing, Feb. 10 -- Sichuan Jiaojian Urban Construction Development and Sichuan Communications Construction Group have submitted a patent application for Stair Pouring Mold. This invention was developed by Chen Jian, Cai Hua, Li Chenggang, Luo Hong, Xia Tao, Zeng Dong, Mo Yong, Qi Wei, He Xiao, Sun Qiming, Shen Hongbo, Su Xiaoyu..