Delivery for large batch of rock coring core barrel and borehole drilling bucket

The bulk includes core barrel with Bullet teeth, Rotary Soil Drilling bucket and Borehole Rock drilling bucket.  The total quantity is 110pcs, the specification is 600mm-1500mm. They will be used for bridge, high-speed rail, railway and other basic construction.  Factory direct sales, high cost performance, stable quality, professional after sales are our characteristics, hope that more and more customers choose us.  We also hope that the foundation construction industry can flourish and build a more convenient and fast tomorrow for mankind.