Auger vs Core Barrel: What’s the Right Choice for Your Foundation Project
Auger uses a spiral drill bit to rotate to bring soil or loose materials out of the hole. It is
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Raw Material Price Trend
—Tungsten Carbide
Daily reference of raw material cost fluctuation
Tungsten carbide prices fluctuate frequently due to changes in supply conditions and market demand.
The chart below shows the recent daily price trend as a reference to help customers better understand raw material cost movements related to drilling tool manufacturing.
Last updated: 2026-03-24
Tungsten carbide powder update | Mar 24
~2320 RMB/kg(≈ USD 338/kg) — flat for over a week.
Supply remains tight,but high prices are holding back transactions.
No breakout yet — pressure is building.
Exhibitions We Attended
No-Dig India Show 2025
Bauma China 2024
Project News
On-site Cases
Enhancing Rock Drilling Efficiency at Jieyang Thermal Power Plant
——Improved wear resistance and penetration performance through redesigned high-helix roller cone barrel bits in complex granite formations.
Product & Technical Articles
What Is a Roller Bit Core Barrel？
A roller bit core barrel is a specialized foundation drilling tool built for hard rock. It uses rotating cone cutters
7 STEPS to Weld a Perfect Core Barrel Roller Bit
We all know how tricky it can be when comes to using a Core Barrel Roller Bit. Using roller bit
Bullet Teeth vs Roller Bit: How to Choose the Drilling Tool
Bullet Teeth are ideal for soft to medium-hard formations（≤80MPa）Bullet Teeth are point-attack cutters ideal for penetration., while Roller Bits are
PDC Bit Maintenance Guide: How to Maximize Lifespan and Performance?
Keeping your PDC bit
Replaceable TCI Hole Opener vs. Welded TCI Hole Opener: Which Is Better?
Choosing the right h
TCI Hole Opener vs. PDC Reamer: What’s the Difference in HDD Drilling?
I see confusion on t
How to Choose the Right HDD Reamer for Your Project?
To choose the right HDD reamer, you need to match the tool’s structure, cutter type, and design with your ground
What is a replaceable hole opener——Why are more and more contractors using it?
A replaceable hole opener is a trenchless drilling tool with detachable cutter heads, allowing quick replacement without full tool removal,
PDC Bit vs Tricone Bit: Which is Better for Your HDD Project?
If the formation of your project is mainly soft or medium hard, it is recommended to choose a PDC drill