Enviornmental
| Mon 10 Aug 2026
Beijing, Aug. 10 -- China Gezhouba Group International Engineering has been granted a patent for Water Mist Dust Removal System of High-air-pressure Drilling Machine. This invention was developed by Li Mingqiang, Huang Jinhai, Xiao Huangwei, Meng Hongwu, Qiu Xinhe, Kuang Jun, Gao Deng, Wang Wei, Zuo Qiuping, Tang Yazhou, Deng Yo..