Plastics
| Thu 09 Jul 2026
Beijing, July 9 -- Zhejiang Changjiang Automobile Electronic System has submitted a patent application for Inner Hole Back-off Core-pulling Mold. This invention was developed by Xie Guocai, Yan Shengyi, Hu Guangliang, Song Xiaowei, Yu Yuanli, Wen Yinglan, Zhu Likai, Ye Fei, Chen Xubo, Zhang Jigui, Wang Lei and Zhu Shaojun.
The ..