G105 high intensity drilling rod is manufactured with advanced frictional welding and thermal treatment, and has a perfect appearance after burnished by an NC machine tool and special device. Each rod has been detected by magnetic powder, ultrasonic wave and electromagnetism, and has a reliable quality. Every parameter satisfies API criteria, and could be applied to drilling or exploitation of 2500-3000 meters.
Each rod has been detected by magnetic powder, ultrasonic wave and electromagnetism, and has a reliable quality.