Tools and Machinery
| Wed 22 Apr 2026
Beijing, April 22 -- Shandong Zhongbiao Qixin Testing Tech Co Ltd has applied Chinese patent for Tool Steel Spectral Analysis Standard Substance and Preparation Method Thereof. Wang Xueying, Luo Sixing, Wang Feifei, Si Zhenqi, Wei Ke, Wang Bingying, Liu Heyan, Liu Kai, Sun Xiaoxuan, Zhang Qi, Chen Da, Xu Jianxin, Sun Shichao, Zh..