JOINT CARBIDE
Est. 2007

ABOUT JOINT CARBIDE

A professional manufacturer and high-tech enterprise integrating research, development, production, and sales of tungsten carbide products -- serving 20+ industries worldwide for over 19 years.

Carbide Burrs Carbide Grit Carbide Rod Carbide Powder Wear Parts Scrap Recycling
Our History Capabilities
Experience
19+
Years of Industry
Excellence
Machines
418
5-Axis CNC
Machines
Daily Output
30K+
Carbide Burrs
Per Day
Group
6
Group Entities
Worldwide
Superior Hardness
HRA 90.3 -- 91.5
Outstanding wear resistance · Premium raw material
Joint Carbide factory floor with CNC machines
ZIGONG, CHINA
Headquarters Since 2007
Who We Are

PRECISION
RUNS DEEP

Founded in 2007 in Zigong, China, Joint Carbide has grown from a single carbide blank R&D laboratory into a six-entity global group. We are a professional manufacturer and high-tech enterprise integrating research, development, production, and sales of tungsten carbide products.

With 3 dedicated factories, 418 five-axis CNC machines, and a complete in-house supply chain -- from raw tungsten carbide to finished tool -- we deliver precision, hardness, and trust to clients across more than 20 industries worldwide.

  • China's first carbide burr manufacturer with a complete material supply chain
  • Daily production capacity of 25,000-30,000 carbide burr pieces
  • Serving automotive, aerospace, medical, mining, and 16+ other industries
  • 19+ years of global export experience with full quality control
Our Journey

GROUP EVOLUTION

From a single R&D lab in Zigong to a six-entity global carbide group -- every milestone built on material science and manufacturing precision.

2007
TO PRESENT
2007
Founding
Zigong Joint Carbide Co., Ltd.
Established the foundation with dedicated R&D of carbide blanks -- building the raw material expertise that underpins the entire group.
2016
Expansion
Zigong Kingtools Co., Ltd.
Launched dedicated carbide burr production -- scaling precision tool manufacturing with 5-axis CNC technology to serve global clients.
2019
Global
Chengdu Joint Carbide Co., Ltd.
Opened the international sales and export hub -- connecting Chinese manufacturing excellence to global markets through dedicated trade operations.
2021
Scale-Up
Ganzhou Joint Carbide Co., Ltd.
Expanded carbide burr production capacity in Ganzhou -- doubling throughput to meet surging global demand with additional CNC infrastructure.
2023
Diversify
Ganzhou Jinshi Alloy Material Co., Ltd.
Entered carbide powder, carbide grit and wear parts -- broadening the product portfolio into advanced surface engineering and alloy materials.
2026
Future
Hainan Joint Carbide Co., Ltd.
The newest entity -- positioned as a global export hub for carbide burrs, carbide powder, carbide grit, wear parts, and scrap recycling.
Launching 2026
Manufacturing

WORLD-CLASS
CAPABILITIES

Three dedicated factories, 418 five-axis CNC machines, and a fully integrated supply chain from raw tungsten carbide to finished precision tools.

3
Factories
Full Supply Chain
418
CNC Units
5-Axis Precision
30K+
Daily Output
Burrs Per Day
20+
Industries
Global Clients

CARBIDE BURR MANUFACTURING PROCESS

01
Wet Grinding
Raw material preparation
02
Pressing
Blank formation
03
Sintering
Hardening process
04
Fluting
5-axis CNC cutting
05
Testing
Quality inspection
06
Shipping
Global delivery
Carbide burr production floor
CNC Production
Quality testing laboratory
Quality Testing
Sintering furnace facility
Sintering Facility

100% Pure WC

Direct-source manufacturer crafting burrs from 100% pure tungsten carbide raw material with professional hardening and precision honing.

R-Shape Shank

Enlarged welding area for enhanced impact resistance. Premium 40Cr steel, compatible with 1/4" collet rotary tools for firm, stable clamping.

50% Silver Solder

Flat-bottom solid welding with 50% silver-content sandwich solder. Large gap-free area and low-temperature process prevents blank damage.

HRA 90.3-91.5

Superior hardness for outstanding wear resistance. Fine finished surface with optimized chip removal and excellent structural stability.

What We Make

PRODUCT LINES

A complete portfolio from precision cutting tools to advanced surface engineering materials.

Flagship Product

CARBIDE BURRS

China's first carbide burr manufacturer with a complete material supply chain. From wet grinding → pressing → sintering → fluting → testing -- every step in-house with 25,000-30,000 pieces daily capacity across 3 factories and 418 CNC machines.

Double Cut
Stainless / High-Temp
Single Cut
Cast Iron / Steel
Aluminium Cut
Al Alloys / Plastics
Diamond Cut
All <HRC60 Materials
418
CNC
30K+
/ Day
3
Factories
100% Pure WC Raw Material
50% Silver Sandwich Solder
R-Shape Shank · 40Cr Steel · HRC 45±2
HRA 90.3-91.5 Hardness
Raw Material

CARBIDE BLANK

Precision carbide burr blanks developed since 2007 -- the foundation of the entire Joint Carbide Group. Domestic tungsten carbide raw materials ensure stable, controllable quality for downstream manufacturing.

Pure WC
Domestic Source
HRA 90.3-91.5
Superior Hardness
Wet Grinding
Precision Mixing
Sintering
In-House Process
Manufacturing Process
Wet Grinding → Pressing → Sintering → Testing
Stable & Controllable Quality
Foundation Since 2007 · Zigong
Full Supply Chain Integration
Surface Engineering

HARDFACING MATERIAL

Thermal spray powders, welding rods and carbide grit for anti-wear, anti-corrosion and high-temperature coatings across mining, oil & gas, aerospace and power generation.

WC Composite Rod
Wear Hardfacing
Sintered Rod
Ni-Based Binder
Carbide Grit
YG/YT Grades
Thermal Spray
WC-Co-Ni Powder
Key Sectors
Mining · Petroleum · Metallurgy
Aerospace & Defense
Agricultural & Construction Machinery
Laser Cladding Manufacturers
Global Reach

20+ INDUSTRIES
WE SERVE

Our carbide solutions power critical operations across the world's most demanding manufacturing sectors.

Automotive Manufacturers
Aerospace Industry
Mold & Die Makers
Metalworking Workshops
Shipbuilding & Marine
Jewelry Manufacturers
Medical Device Makers
Construction & Infrastructure
Tool & Cutter Manufacturers
Power Plant Equipment
Defense & Military
Railway & Locomotive
Engineering & Fabrication
Foundries & Casting
Renewable Energy
Repair & Maintenance
Heavy Equipment
Industrial Equipment
Prototyping Services
Aerospace Component Suppliers
Our Values

BUSINESS
PHILOSOPHY

TRUST & RESPECT

Be an enterprise built on trust and respect -- maintaining integrity in every transaction, relationship, and product we deliver to our global partners.

WORLD'S BIGGEST

Strive to be the world's biggest carbide burr manufacturer -- setting the global standard for precision, volume, and quality in tungsten carbide tooling.

REAL VALUE

Bring valuable products and a good reputation to each customer -- ensuring every partnership delivers measurable, lasting value through premium carbide solutions.

Joint Carbide team and manufacturing facility
"PRECISION. HARDNESS. TRUST."
The Joint Carbide Promise -- Since 2007
Get In Touch

READY TO SOURCE
PRECISION CARBIDE?

With 19+ years of experience, 418 CNC machines, and a complete supply chain, Joint Carbide is your trusted partner for tungsten carbide products -- from burrs to hardfacing materials.

19+ Years
Industry Experience
418 CNC
5-Axis Machines
30K+ Daily
Production Capacity
Global Delivery
Full Supply Chain
START YOUR ENQUIRY

Tell us your application, material, and volume -- our team will respond within 24 hours.

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Headquarters
Zigong, Sichuan
China
Founded
2007
Est. Zigong