Rubber
| Sat 03 Oct 2026
Beijing, Oct. 3 -- Heilongjiang North Tools Co Ltd has been granted a patent for Telescopic Elastic Pressing Type Opening Tightening Device. This invention was developed by Tang Lianqing, Li Hongdong, Ge Zhiguo, Zhao Han, Dong Jitang, Yu Yue, Wang Guohui, Wang Yu, Shao Mingzhi, Wu Huajian, Li Jing, Gong Xianglu, Wang Kaichun, Li..