Buy Used tricone bit,Used PDC bit
Date:
2018-06-12 09:25
Hebei Crossing Drill Bit Manufacture buy used TRICONE BIT,used PDC bit,scrap Tricone bit,Scrap PDC,second hand tricone ,second hand PDC bit at large quantity,if you have the source ,please contact us freely . whatsapp:0086-15032448780 ,email: sales@crossingbit.com