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Technical Support Product
Defy Well Drilling Rigs
Top Technical Support
Overseas Technical Support Center
Horizontal directional drilling machine for pipe laying
Water Well Drilling Rig Maintenance
Why Do We Need to Use Trenchless Technology?
What is Drilling Bit Burnt Accident?
How Does A Well Drilling Rig Work?
What Is The Purpose And Function Of A Water Well Casing?
How to Install Well Casing
Technical Support Product
  • 1. E-mail, fax and phone support by knowledgeable service personnel. Available in English and Chinese.

    2. Comprehensive Parts and Service Books provided with each rig. Most available in PDF format.

    3. Extensive digital library of service information allows for quick response to customer inquiries.

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