TDD,born for drilling. 

TDD have been focusing on DTH drilling for 16 years. We are specialized in manufacturing various DTH drilling hammers、matched drilling bits、drilling rigs and drilling pipes for water wells、mines and oil industries.

TDD has been promoting productivity in drilling industry, SPM ensure the safety and stability of drilling engineering, and provide professional, efficient and reliable whole drilling solutions. 

TDD have made tremendous development at the basic of high-quality, low price, good service since its establishment. All friends both at home and abroad are warmly welcomed to come here to establish and develop business relationship with us. 

TDD Low Pressure DTH Drill Hammer GF80 is very popular in solar power  field.

TDD Low Pressure DTH Drill Hammer GF80 drill holes from 200mm to 250mm.

Different designing makes TDD DTH drill hammers are suitable for various solar power conditions.

In practical production, it is recommended to drill all kinds of hard rocks with poor drillability in geotechnical engineering. It is widely used in solar photovoltaic power station foundation support column hole, power grid reconstruction, civil construction, new rural construction, catenary support pile, slope protection pile and other engineering project pile hole construction.