Metal & Mining
| Wed 29 Jul 2026
Beijing, July 29 -- Henan Nonferrous Jin Yuan Ind Co Ltd and Henan Yudi Tech Group Co Ltd have applied Chinese patent for High-temperature and High-pressure Automatic Quartz Sand Reaction Kettle. Huang Taotao, Wang Yang, Du Hongpu, Zhou Weifeng, Song Tengfei, Zhang Zhihui, Zhang Chi, Zhang Dongdong, Wang Xinyu, Luo Hehua, Zhao J..