We are a manufacturer who specially produce drilling rigs, drilling tools include drilling pipe and bits.
Drilling pipes we produce is according to national standard strictly.
Include all kinds of sizes. and all type: air drilling pipe, auger drilling pipe, hollow drilling pipe etc.
Ф42X1500mm
Φ75X1500mm
Φ60X1500mm
Φ60X4500mm
Φ54X90X1500mm