CCTEG Xi'an Research Institute (Group) Co., Ltd. was founded in 1956, with the missionof leading the progress of coal technology and supporting safe and efficient mining. Focusing on solving major technological difficulties in the field of coal geological exploration and coal mine safety, we are com

CCTEG Xi'an Research Institute (Group) Co., Ltd. was founded in 1956, with the missionof leading the progress of coal technology and supporting safe and efficient mining. Focusing on solving major technological difficulties in the field of coal geological exploration and coal mine safety, we are com

CCTEG Xi'an Research Institute (Group) Co., Ltd. was founded in 1956, with the missionof leading the progress of coal technology and supporting safe and efficient mining. Focusing on solving major technological difficulties in the field of coal geological exploration and coal mine safety, we are com

CCTEG Xi'an Research Institute (Group) Co., Ltd. was founded in 1956, with the missionof leading the progress of coal technology and supporting safe and efficient mining. Focusing on solving major technological difficulties in the field of coal geological exploration and coal mine safety, we are com