How to Choose the Right Core Barrel for Different Rock Conditions
Choosing the right rock core barrel is critical for achieving high efficiency, low wear, and stable performance in hard rock drilling projects. Many contractors struggle with slow penetration, excessive tool wear, or even tool failure—often due to incorrect tool selection.
As one of the most essential Rotary Drilling Tools, the core barrel plays a key role in bored pile construction, especially in challenging ground conditions.
Daily Tungsten Carbide Powder Price Report | Apr.1,2026
Tungsten Carbide powder prices continue to climb, having already surpassed the threshold of 2,000 RMB (approximately 289.85 USD) per kilogram. The national tungsten mining quota for 2026 has been set at 115,000 tons, representing a further 8% reduction compared to 2025. This marks the third consecutive year of tightening quotas. Consequently, Tungsten Carbide powder prices […]