The ever-advancing Qianshao Hengrui, with its concepts and technologies, leads the industry
Qingdao Qianshao Hengrui Exploration Technology Co., Ltd. (formerly known as Qingdao Qianshao Mine Technical Equipment Co., Ltd.) was founded in 1992. For over three decades, it has been dedicated to the research, development, and manufacturing of fully hydraulic tunnel drills. W…
