Use our products to make miners happier
Work for dreams! Work for honor!
Work for dignity! Work for responsibility!
Healthy, happy and successful
True, simple and natural
Let’s realize our dream together
Core concept of enterprise
Being anxious for coal mines and thinking of coal mines
Heaven, teachers and filial piety
Gratitude, struggle, innovation and win-win
AboutAbout Us Chairman's Speech Culture History Honor R & D Legal
ProductsComplete Equipment Drilling Rigs Drill Pipes Drill Bits Others
ServiceService Introduction Maintenance Evaluation
NewsCorporate News Industry News Reports Questions
JobsSocial Recruitment Campus Recruitment Welfare Activities
ContactContacts Address Feedback