pdc coring bit, pdc arc pillar bit,pdc anchor shank bit ...
pdc coring bit, pdc arc pillar bit,pdc anchor shank bit. Payment. TT. Minimum Order. 1piece. Delivery. 1-15days. Origin. China. Packing. wooden case. Inspection. ISO9001:2008. Samples. Free. Sample Price. $2.00. Remarks. We can also produce the made to order items according to your local rock formations, please dont hesitate to contact us at ...