Mining Machinery

1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
 
It is a kind of high air pressure DTH Hammer without foot valve, our newest design. It is also one of the most advanced DTH Hammers in the world.
 
It has the following advantages:
 
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency. The drilling speed is 15%-30% higher than the one with foot valve.
3. Simple structure, reliable parts, long life, easy and cheap maintenance.
4. Lower air and oil consumption. The oil consumption is about 10% lower than the one with foot valve.  


Our advantages:
 
We have advanced production equipments & talented researchers & technicians & rich experiences in R & D and production.
We use the best quality raw materials.
We adopt advanced production technology & strict testing procedure.
We passed ISO9001 quality management system certification.

Hunan new diamond is a professional manufacturer for rock drill and pneumatic tools in China. We are now having more than 500 staff，with an area of 110,000 m².

We mainly producing:

4-18” High air pressure down the hole DTH hammers & Bits (DHD, COP,SD,QL,Mission,Mach,NUMA shank & our designer items,etc.)/

1-3” Middle-low air pressure down the hole DTH hammers & bits(BR,CIR,J shank,etc.)/

Drill rods,drill pipes/

Reverse circulation DTH hammers & bits/

Overburden casing systems/

Thread button bits, hole opener bits/

Shank adapters,coupling sleeves(other spare parts)/

Besides our self-developed items, we can produce on your design.

Contact me if your are interested.

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