- Trenching Bit/Diaphragm Wall Cutter
- 2016-11-02 09:56
- Trenching BitWe can supply all kinds of trenching bit for foundation drilling, our products are equal to betek's product
- Coal mining bits/coal cutter bits
- 2016-10-24 20:02
- 1.high resistance2.with hard alloy3.can be made according to clients'requirements.The coal mining bits are mainly used i