China best quality core drilling machine price

1) For core drilling in walls, floors, roofs and road surface, up to 300mm. 
2) Suitable for various materials such as reinforced concrete. Brick and other construction materials. 
3) For deep hole drilling, plumbing, electrical installation etc 
4) Different drilling speed version for appropriate situations. 
5) Electric leakage protection. 
6) Low noise, vibration, power consumption. 
7) Available for dry bit drilling. 
8) Replaceable stand options can provide further functions, such as angle and stitch drilling