Factory Direct Sale  Hf360-20  Rotary Drilling Rig Crossover Sub  With  ISO 9001:2008
HF360-20 crawler type rotary drilling rig adopt pressurized drilling mode, enabling rotary drilling depth is 20m. matching the different specifications of drilling tools, pile hole diameter range up to 100-1500mm. 

It has high drilling efficiency ,and After construction, It can quickly move to next worksite . flexible, convenient and efficient, is a national high-speed rail construction-specific piling machinery equipment. 

This machine is applicable to soil, clay, fill soil, silt, silt layer, and some strata contain pebbles, gravel; widely used in high-speed rail trestle piles, slop shield piles, photovoltaic power station foundation pile, power grids, civil construction, new rural construction, municipal construction, landscaping and other projects.

 
Features: 

Flexible: the whole tonnage is small, simple operating, moving fast, convenient transition, etc features. 

High returns: small investment, quick gains, economic advantages can not be replaced. 

Technology patents: patent uses a unique technology to achieve a small torque but big power characteristics, thus achieve a small machine to drill big piling hole.

1. Are you trading company or manufacturer?
We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2. Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3. How about your machine quality?
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4. Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5. What about the qaulity warranty?
We offer one-year quality warranty for machines' main body.

6. How long can you deliver the machine?
Generally, we can deliver the machine in 7 days.