�  -cutting tool, drill bit

-cutting tool, drill bit

Cutting Tool

Drill Bits

Oil Drill Bits

Mining Bits

Drill Collars

Drill Pipes

Drilling Tools

Bit Coals

About Changwei Mining Bits


Changwei is a domestic trading company and exporter specializing in rock drilling machines and tools for mine, tunnel and hydroelectric power. Changwei mainly produces drilling tools and export them to Europe, the Middle East, South America, Australia and Southeast Asia. Changwei products are widely used in mining engineering, road surface excavation, rock machining, tunnel construction and slope retaining.


Our main products cover drilling rods, chisel bits, cross bits, button bits, extension drilling equipment, coupling sleeves, drilling rods for pneumatic picks, trolley drill rods, shank adapters and some other mining supportive products.

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