Energy
| Thu 23 Apr 2026
Beijing, April 23 -- Guizhou Qianxi Chemical Co Ltd has submitted a patent application for Device for Changing Heat Energy Grade. This invention was developed by Sun Jiantang, Wang Shutao, Yu Guangxing, Chen Yanzhong, Zhou Dan, Umezawa Isamu, Mu Kun, Liu Xiaochen, Wang Gang, Wang Yucan, Wang Jiang, Huang Jisen, Lyu Li and Hu Xin..