High-Performance Dongheng 350 Water Well Drilling Rig for Sale

• Customization: Available
• After-sales Service: Video Guidance or on-Site Guidance by Personnel
• Warranty: a Year
• Model NO.: DongHeng 350
• Certification: ISO 9001:2000
• Condition: New
• Motor: AC Motor
• Drill Hole Diameter: 105-273
• Drill Hole Depth: 350meters
• Bit Type: Diamond Bit
• Drilling Way: Rotary
• Type: Crawler
• Transport Package: Container
• Specification: 8T
• Trademark: DONGHENG
• Origin: Linyi, Shandong Province, China
• HS Code: 8430419000
• Production Capacity: 500pieces/Year

Product Description

DH-350 series technical parameters have been completely upgraded
Technical specifications	Unit	DH350
Maximum drilling depth	M	350
Drilling diameter	mm	105-273
Recommended Working Air Pressure	Mpa	1.2-3.5
Drill Rod Length	m	3-6meters
Recommended Drill Rod Diameter	mm	89-114
Axial Pressure	T	5
Lifting Force	T	16
Power Head Stroke	M	6.6
Maximum Rotational Torque	Nm	8500
Maximum Rotational Speed	r/min	100-320
Winch Lifting Force	T	1.5
High Leg Stroke	M	1.5
Travel Speed	KM/H	4.5
Climbing Ability	Slope	24degrees
Machine Weight	T	8
Engine	Yunnei Power 4108 92KW
Oil Pump	40/40/20
Overall Dimensions	mm	3900(4350)+1850+2450
Operating Conditions	Loose layer and bedrock
External Feeding Method	Hydraulic rotary, down-the-hole hammer or mud drilling

FAQ:

1. Are you exact manufacturer or just trading company?
We are both, we have our own factory. And also have many long-relationship factories.

2.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our quality.

3. Can you accept OEM & ODM?
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.
As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always
in the material research and drawing design of drilling tools for 25 years. And he had designed
the world's biggest top hammer bit and DTH hammer bit, highly praised by the users.

4. How about the delivery time?
It depends, generally it takes about 15-25. If have stocks, Usually only 5-10 days if in stock.

5. Can I have a visit to your factory before the order?
Sure, welcome, kindly contact us for address details and time schedule.