DFU-300 underground drilling machine for mining

One year quality warranty.

Training: operation manual and DVD operation video, overseas installation is also available

Spare parts are available in our factory at cost price for former customers

24 hour on-line guidance for operation and maintenance

We get BV certificate every year. 

Here is the transaction history for the latest year. You can check it in detail at our homepage.

You can put trade assurance order online.

1. What kind of projects you will work for?

Water well, Borehole, Exploration coring, Foundation Piling, Blast holes, Geothermal heat project or others?

2. Max drilling depth you want. 

100m, 200m, 400m, 600m, or other depth.

3. The Min and Max borehole diameter you need. 

Like Max 400mm, Min 75mm.

4. Geological condition of the working site if you know about it.

Soft ground like soil, mud, sand. 

Hard ground like hard rocks .

Or mixed.

More details you provided, our engineer can suggest the most suitable model for you.

 Zhengzhou Defy Mechanical & Electrical Equipment CO., Ltd. locates in High-tech zone of Zhengzhou City, China. Our factory dedicates to manufacturing drilling rigs since 1970s, more than 40 years experience of production and development make our product quality rank in the leading position at home and abroad.

Our drilling rigs are widely applicable for water well, farm irrigation, geological prospecting, small pile foundation, geothermal air-conditioner and so on, capable and functional. Our professional engineers and sales team, offering technical support and useful advices whenever you need.

Please feel free to contact with us if you have any questions about our products.

Leo Cheng
leo(at)

+86 185 3008 1962 (cellphone/whatsapp)
+86 371 5581 9257 (TEL)
defy018 (skype)