| After-sales Service: | Online Support |
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| Warranty: | 3 Month |
| Certification: | ISO 9001:2000 |
| Condition: | New |
| Motor: | DC Motor |
| Drill Hole Diameter: | 90-127 mm |
| Customization: |
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Suppliers with verified business licenses
Audited Supplier ZGYX 421H Drilling Rig
1. Automatic drill replacement, safe and efficient
The new 421H drilling rig is equipped with a 6+1 three-meter automatic drill changing mechanism, which replaces the original manual drill changing operation, greatly improving work efficiency, saving costs, and increasing the safety factor.
2. The whole machine space is redesigned for easy maintenance.
The entire machine space has been redesigned, making daily maintenance simple and convenient. The diesel tank has been upgraded from the original 190L to 250L to meet the customer's longer-term use needs.
3. Energy saving and efficient
It adopts a self-developed two-stage compressor head, which is energy-saving and efficient, and reduces operating fuel consumption; the air compressor pressure is upgraded from the original 15bar to 18bar, which greatly improves the perforation efficiency of the impactor.
4. Standard reversing alarm system
The standard reversing alarm system improves the safety of daily work.
5. Standard rain shelter
The standard rain shelter provides shade on sunny days and rain protection on rainy days, improving the comfort of operators and improving the open-air working environment.
Suppliers with verified business licenses
Audited Supplier 
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