
Tungsten alloy making sand bar is the core fittings of sand making machine. its hardness is high, and wearability is better. It is suit to break very firm granite, quartz plaque stone, siliceous schist, stronger quartzite, as well as the strongest sandstone and limestone, lean iron ore and so on. With the continuous development of China’s economy, the construction industry and infrastructure construction projects have increased the demand for sand and gravel. Facing the shortage of natural sand and the…