Metal & Mining
| Thu 04 Jun 2026
Beijing, June 4 -- State Intellectual Property Office of China has received SIPPR Engineering Group patent application for Construction Method of Deep Well for Secondary Aluminum Casting. Niu Shilei, Liu Jinpeng, Zhu Xingxing, Yang Jiajia, Xie Lujun, Liu Lili, Zhang Yizhuo, Shen Yifan, Song Saisai, Zhu Lifeng, Fan Chenchen and S..