Transportation
| Sat 24 Oct 2026
Beijing, Oct. 23 -- Harbin First Machinery Group has received a patent for Milling Jig for Machining Crawler Chain Link. This invention was developed by Pang Zhigang, Cui Sijia, Liu Junhui, Qu Yongping, Zhang Jun, Bai Yunpeng, Si Lili, Mi Zhenjia, Lu Liangpeng, Tan Fengzhi, Li Song and Kang Wenzheng.
The patent application numb..