Cangzhou Great Drill Bits Co.,Ltd. - Hejian, China


Three Blade Wings Drag Rock Drill Bit For soft formations Overview of Drag Bit Drag bit drilling is manufactured from forged high-quality alloy ste ...
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 144

Well Drilling Equipment Crocodile PDC Reamer for Horizontal Drilling Overview PDC Reamer The PDC Reamer manufactured by GREAT China drill bit will b ...
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 133

Bi-center bit for Mining Machinery and abrasive formation Overview of Bi-center Bit This type of Bi-center bit mainly used for medium to medium-har ...
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 181

Single Cone Rock Roller Drill Bit for core barrel pilot bit Overview of Roller Bit GREAT Drill Bits have customized manufacture several types of ro ...
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 131

We, Cangzhou Great Drill Bits Co. Ltd., specialized in R&D, design, production, and sales various drill bits. The drill bits size from 3" to 26" , HDD ...
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 142