Specifications

Damped spring for drilling rod:
High quality and fine workmanship.
Good raw material.
Professional tracing service.

Damped spring for drilling rod :

High quality,durable running.

Professional in rotary drilling rig tools and related spare parts,fine workmanship and scientific design.

Independent research group,meeting special needs according different customers' work condition.

Considerate tracing service,hale to one year maintenance period.

We are devoting to creat overseas market,trading with other contries on the basis of equality and mutual benefit.So arming to establishing longt-term cooperation you will get a fairly discount from we have the first