DK Graphite | High-Quality Graphite Products Manufacturer Since 1998

About Us

Qingdao Dongkai Graphite Co., Ltd. is a professional manufacturer of high-quality graphite products in China since 1998. With over two decades of experience, we specialize in the research, development, and production of advanced graphite materials used across various industrial sectors.

Our commitment to innovation, precision engineering, and strict quality control ensures that every product meets international standards. From raw material sourcing to final inspection, we maintain full control over our manufacturing process to deliver consistent, reliable performance.

ISO-Certified Manufacturing
OEM & Custom Design Services
Global Export Experience
In-House R&D and Testing Lab

Our Graphite Products

We offer a comprehensive range of high-purity graphite products designed for industrial, electronic, and mechanical applications. All items are customizable to meet your exact specifications.

Graphite Blocks

High-density, isotropic graphite blocks ideal for EDM, semiconductor, and furnace applications.

Purity: 99.9%+
Grades: Fine, Medium, Coarse Grain
Sizes: Custom dimensions available

Graphite Rods

Precision-machined rods for electrodes, shafts, and mechanical components.

Diameter: 3mm – 300mm
Length: Up to 2000mm
Surface Finish: Polished or as-machined

Graphite Plates

Flat graphite sheets used in heat treatment, sealing, and insulation systems.

Thickness: 1mm – 100mm
Max Size: 600 x 1200mm
Applications: Furnace linings, gaskets

Graphite Crucibles

High-temperature resistant crucibles for melting metals, glass, and alloys.

Capacity: 50g – 50kg
Shapes: Round, square, custom molds
Temp Resistance: Up to 3000°C

Graphite Electrodes

Used in EDM, arc furnaces, and welding applications with excellent conductivity.

Material: High-purity graphite
Custom shapes and threading
Low wear, high efficiency

Graphite Bearings

Self-lubricating bearings for high-temperature and corrosive environments.

No need for external lubrication
Wear-resistant and durable
Used in aerospace and chemical industries

Graphite Heat Sinks

Efficient thermal management components for electronics and power systems.

High thermal conductivity
Lightweight and corrosion-resistant
Custom fin designs available

Custom Graphite Components

CNC-machined parts tailored to your technical drawings and specifications.

Prototyping and mass production
Material certification provided
Fast turnaround and global shipping

Resources and Capabilities

Our advanced manufacturing infrastructure ensures consistent quality, scalability, and rapid delivery for global clients.

25+ Years Experience

Established in 1998, we bring decades of expertise in graphite material science and industrial applications.

Advanced CNC Machining

State-of-the-art CNC centers for precision cutting, drilling, and shaping of complex graphite parts.

In-House Quality Lab

Rigorous testing for density, resistivity, strength, and purity to ensure compliance with ISO standards.

Global Export Network

Products shipped to North America, Europe, Southeast Asia, and beyond with reliable logistics partners.

Frequently Asked Questions

What types of graphite do you manufacture?

We produce high-purity, fine-grain, medium-grain, and coarse-grain graphite materials. Our product line includes blocks, rods, plates, crucibles, electrodes, and custom machined components.

Can you provide custom graphite parts?

Yes, we offer full OEM and custom manufacturing services. Send us your drawings or specifications, and we’ll produce parts to your exact requirements using CNC machining and precision tooling.

What is the lead time for orders?

Standard products ship within 7–10 days. Custom orders typically take 15–25 days depending on complexity. We offer expedited production and shipping upon request.

Do you provide material certifications?

Yes, we provide material test reports (MTRs), certificates of conformance (COC), and ISO documentation upon request for quality assurance and compliance.

How do you ensure product quality?

Our quality control process includes raw material inspection, in-process checks, final product testing (density, strength, resistivity), and packaging verification. All facilities follow ISO standards.

Get in Touch

Dongkai Graphite's production capacity is your solid backing. Contact us for the best custom quotes and technical support.

Contact Information

Phone: +86 - 0532 8723 9738

Mobile: +86 - 136 6885 2392

WhatsApp: +86 159 6556 1087

Email: [email protected], [email protected]

Fax: +86 - 0532 8723 9988

Address: Mencun Village, Pingdu, Qingdao City, China 266708

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