For decades, the drilling products and drilling engineering technical services of CCTEG Xi'an Research Institute (Group) Co., Ltd. have provided strong support for safe and efficient mining of coal mines.The company has created an inseam directional drilling world record of 3353m in Coal Mine. The developed pneumatic directional drilling technology and equipment have effectively solved the problem of gas drainage in broken and soft coal seams. Recently, ZDY3500L(A) and other types of crawler drills recommended by CCTEG Xi'an Research Institute for Indonesian customers have been successfully packed and shipped. These drill machines will be used in coal mine gas extraction, water exploration and drainage and other projects. Their comprehensive and efficient drilling performance will provide equipment guarantee for the safety production of local coal mines and contribute to the development of World energy resources.