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: 2026-04-09
~2250 RMB/kg (≈ USD 330/kg, DoD -1.31%)
Prices continue to soften, with a 3.9% pullback from the recent peak, while still up 116.3% YTD.
The adjustment is mainly driven by:
easing supply pressure after production recovery, weaker downstream purchasing willingness fading market sentiment and liquidity
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
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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
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I see confusion on t
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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