Zhuzhou Hard Carbide Ltd.
  • Mon - Fri: 9:00 - 22:00 (UTC+8)
  • Customer Service Hours
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  • +86 199 5831 1831

Factory Tour

HARDCARBIDE Factory & SGS Certification

SGS-certified quality control at every stages.

Manufacturing

Production Process

From raw powder to finished product — 7 steps of precision manufacturing.

01
Batching

Batching

Precise formulation of tungsten carbide powder, cobalt binder, and grain growth inhibitors according to grade requirements.

02
Pressing

Pressing

CNC automatic pressing machines form the powder into insert blanks with consistent density and dimensional accuracy.

03
Sintering

Sintering

Vacuum sintering at 1400-1500°C followed by HIP (Hot Isostatic Pressing) for maximum density and strength.

04
Grinding

Grinding

Precision grinding on CNC machines to achieve tight dimensional tolerances and superior surface finish.

05
Edge Sharpening

Edge Sharpening

Precision edge sharpening to create the cutting geometry required for optimal machining performance.

06
Passivation

Passivation

Edge passivation treatment to improve tool life and prevent chipping during high-speed cutting operations.

07
Coating

Coating

PVD/CVD coating application in various colors (bronze, gold, black, nano blue, etc.) for enhanced wear resistance.

Quality Assurance

Quality Inspection

Every product goes through three rounds of strict quality inspection.

08
Incoming & In-Process Inspection

Incoming & In-Process Inspection

Dimensional, hardness and density checks at every production stage.

09
Final Digital Inspection

Final Digital Inspection

High-resolution optical inspection ensures every insert meets specs.

Need a Reliable Carbide Supplier?

Contact us for competitive quotes on cemented carbide products. 100% virgin material, SGS & ISO certified.

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