The engineering mining screw machine has compact and reasonable layout, convenient maintenance, sufficient air volume and stable pressure, and can adapt to the working conditions required by 80-200mm down the hole drill, anchor bolt drill, spray and other projects and mining. We use well-known domestic brands of two-stage compression screw hosts and Jiangtian IP55 two pole and four pole high-efficiency motors, emphasizing energy conservation and reliability. Realize power saving, energy saving, and high efficiency.