This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Premium Tungsten Carbide Solutions

ISO9001:2015 Certified Manufacturer | Fast Delivery | Global Export Since 2011

Explore Products Request Inquiry
KUNRUI Factory

About KUNRUI Carbide

Zhuzhou Kunrui Carbide Co., Ltd., founded in 2011 in Zhuzhou, Hunan Province, is a leading innovator and manufacturer in the cemented carbide industry. With branches established in Changzhou (2014) and Dongguan (2017), we have expanded our reach to serve global markets with precision-engineered tungsten carbide products.

We are committed to excellence in every process, from raw material sourcing to final inspection. Our strict adherence to ISO9001:2015 quality standards ensures that every product meets the highest performance benchmarks for durability, precision, and consistency.

8000+
Square Meters Facility
200+
Skilled Employees

Our Capabilities

Complete Process System

ERP & PDM integrated for real-time inventory and batch traceability

Fast Delivery

Samples in 1 week, bulk orders in 1-4 weeks

Strict QC System

ISO9001:2015 certified with full process inspection

24/7 Support

Professional sales team available around the clock

Our Products

High-performance tungsten carbide solutions engineered for precision, durability, and reliability across industries.

Solid Carbide Rod

Solid Carbide Rod

High-density, wear-resistant rods for cutting tools and industrial applications.

  • • Grades: K10, K20, K30, K40
  • • Diameter: 0.5mm - 50mm
  • • Tolerance: h6, h7, h9
Carbide Rod With Coolant Hole

Carbide Rod With Coolant Hole

Center-hole design for efficient cooling in high-speed machining.

  • • Internal cooling channel
  • • Spiral or straight hole options
  • • Ideal for deep hole drilling
Polished Carbide Rod

Polished Carbide Rod

Super-finished surface for precision tooling and measuring instruments.

  • • Ra ≤ 0.05μm surface finish
  • • High dimensional accuracy
  • • Mirror-like appearance
Carbide Tube

Carbide Tube

Precision-ground tubes for wear parts and structural components.

  • • K10-K40 grades available
  • • Ground and unground options
  • • Custom lengths and tolerances
Gun Drill Blanks

Gun Drill Blanks

High-strength blanks for manufacturing deep-hole drilling tools.

  • • Optimized for deep hole drilling
  • • High rigidity and wear resistance
  • • Custom geometries available
Carbide Strip

Carbide Strip

Flat carbide stock for cutting inserts, wear plates, and custom tools.

  • • Thickness: 0.5mm - 10mm
  • • Width: 5mm - 100mm
  • • Custom cutting available
Carbide Preforms

Carbide Preforms

Near-net-shape components for efficient tool manufacturing.

  • • Custom shapes and sizes
  • • Reduced machining time
  • • High material utilization
Spiral Carbide Rod

Spiral Carbide Rod 30°

Helical design for enhanced chip removal in demanding applications.

  • • 30-degree spiral angle
  • • Improved strength and stability
  • • Ideal for end mills and drills
Download Full E-Catalog

Why Choose KUNRUI?

We combine advanced manufacturing with customer-centric service to deliver unmatched value.

Quality Control

Strict Quality Control

Our ISO9001:2015 certified QC team monitors every stage—from raw material inspection to final packaging—ensuring 100% compliance with international standards.

Fast Delivery

Sample orders shipped within one week. Bulk production delivered in 1–4 weeks. We understand time is critical in manufacturing.

R&D Innovation

Our technical team develops customized solutions for new applications and challenging environments, pushing the boundaries of carbide performance.

24/7 Professional Support

Our trained sales and technical team is available around the clock to assist with inquiries, specifications, and order tracking.

Frequently Asked Questions

What grades of tungsten carbide do you offer?

We manufacture products in K10, K20, K30, and K40 grades, with custom formulations available upon request for specialized applications.

What is your minimum order quantity (MOQ)?

We accept sample and trial orders. MOQ varies by product type, but we are flexible to support customer development needs.

Do you provide custom sizes and shapes?

Yes, we specialize in OEM/ODM services. Our engineering team can produce custom rods, strips, tubes, and preforms to your exact specifications.

What certifications do you hold?

We are ISO9001:2015 certified. All products undergo rigorous quality testing, and material certificates can be provided upon request.

How do you ensure product consistency?

We use ERP and PDM systems for full batch traceability. Every production lot is documented and tested to ensure dimensional and mechanical consistency.

Get in Touch

Ready to discuss your carbide needs? Contact our team for technical support, quotations, or product samples.

+86-0731-27276838
[email protected]
Available via official website
Visit Official Website to Contact
China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact [email protected] via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系[email protected] 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact [email protected]

如果您是其他域名合作 也请联系[email protected]