Electronics
| Thu 16 Apr 2026
Beijing, April 17 -- Chinese Patent for Fixing Device for Compressor Air Valve and Compressor has been issued to CHN Energy Group Ningxia Coal Industry. This invention was developed by Chen Yongkai, Ma Tao, Zeng Dayong, Han Bing, Bai Hai, Zhu Bin, Zhang Yongxian, Yang Hui, Ma Xueliang, Ma Yinqiang, Ma Chunsheng, Ning Chunlai, Ya..