Diamond Core Drilling Machine

www.chinacoalintl.com m.chinacoalintl.com chinacoal05 we provide service of enterprise's customs declaration, inspection. Product Introduction Diamond drill,also called concrete drill is a new type of tool which can drill on RC,brick and stone,rock,china and fireproof materials.It is hold such characteristics as working without dust,high efficiency,smooth wall of hole and accurate size.It is available in many fields of construction,quality-checking,airfield runway,tunnel of