Heidaigou Open-pit Coal Mine is affiliated to China Shenhua Group Zhungeer Energy Co., Ltd. (hereinafter referred to as Zhuneng Company), and is one of the three main projects of the first phase of the Zhungeer Project, a key project during the national "Eighth Five-Year Plan". It is an extra-large open-pit coal mine designed and constructed by my country itself. STONBEL contracted to build the dispatching and command center of Heidaigou Open-pit Mine in Inner Mongolia with a 70-inch DLP2x4, high-definition LED light source, and 16:9 full-HD 1080P resolution.