Email: zuanlongbits@gmail.com
Tel: +86-029-82612068
Fax: +86-029-82612068
Address:No 66, Changming Road, Xi'an, Shaanxi Province, China
PDC anchor shank drill bits are mainly used to drill the roof and side supporting hole, the gas drainage, water infusion, geological exploration hole and grouting hole and so on for the coal mine seam, water conservancy and hydro-power, dam and roadway construction of bolt-mesh support.
No 66, Changming Road, Xi'an, Shaanxi Province, China
+86-029-82612068
+86-029-82612068