We are specialized in manufacturing various DTH drilling hammers、matched drilling bits、drilling rigs and drilling pipes for water wells、mines and oil industries，SPM 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 and his dedicated teams are committing themselves to provide international clients with various quality products and profe...

High efficiency and safety: 

1. The frequency of the hammer is high and the rock is broken fast.

2. The slag bucket is designed to return slag and reduce repeated crushing.

   3. The sub-hammer eliminates resonance with each other and has no damage to the drilling rig and drill pipe. 

The cost  is low:

1. The hammer and bit can be interchangeable position, uniform wear, long service life.

   2. The drill bit is cheaper than a single hammer of the same diameter. 

The quality of hole formation is good:

1. The unique gas distribution design is convenient to keep the drilling vertical.

2. 2. The slag bucket clears the slag thoroughly and the bottom of the hole is clean.

   3. You can drill into holes under water.