- rock drill bits
- 2017-01-15 00:53
- Hammer bits1. High penetration rate dril bit.2. Excellent flushing, straightness,drilling quality.3. Low sound level
- tci bit
- 2017-01-15 00:53
- TCI tricone bit for oil well and water well,mining.1.high toughness2.high durability3.covers almost all IA
- DTH drilling bits
- 2017-01-15 00:53
- Hammer bits1. High penetration rate dril bit.2. Excellent flushing, straightness,drilling quality.3. Low sound level