What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Does the manufacturer offer OEM or ODM services?

Yes, we offer both OEM and ODM services, including customization from samples and designs.

What certifications does the product have?

The product has ISO9001 certification, and the company holds ISO9001:2015, ISO45001:2018, and ISO14001 management system certifications.

High Quality EDM Carbon Graphite Block China Manufacturer

Name: High Quality EDM Carbon Graphite Block China Manufacturer
Brand: ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
SKU: 2056844605

Henan, ChinaZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

US$1,000.00-2,000.00

1 Ton

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Application

Chemical Industry, Electroplating Industry, Metallurgical Industry, Papermaking Industry, Petrochemical Industry, Emd Graphite, Metallugy, Foundry, Sintering

Carbon Content

High-Carbon, High-Carbon

Model NO.

graphite block

Expansion Ratio

>150Ml/G

Grain Size

125μm

Grade

Industrial Grade

Forming Way

Molded Graphite

Type

Graphite Block

Composition

Carbon Content:99.95%

Crystal Morphology

Artificial Graphite

Product Name

Carbon Graphite Block

Raw Material

Carbon, High Purity Graphite

Applicattion

Eaf Arc Furnace Smelting Steel

Type1

Extruded Graphite Block

Color

Black

Certificate

ISO9001

Density

Above 1.82-1.9g/cm3

Flexural Strength

15-70 MPa

Transport Package

Wooden Box

Specification

customizable

Trademark

RSNC

Origin

China

HS Code

380190900

Production Capacity

5000t/Year

Key features

High Carbon Content: Carbon content above 99% ensures superior performance and purity.

Customizable Shapes: Rectangular and round shapes available with custom sizes per requirements.

Thermal Shock Resistance: Strong thermal shock resistance and low thermal expansion prevent bending.

Lightweight Design: Lower density and lighter weight compared with copper materials.

ISO9001 Certified: Manufactured under ISO9001:2015 management system for quality assurance.

Multi-Industry Application: Widely used in EDM, continuous casting, sintering, and chemical industries.

Fast Shipping Options: Door-to-door courier in 3-4 days; air in 5-7 days; sea in 15-30 days.

OEM/ODM Service: Supports customization from samples and designs with professional engineering support.

Company profile

Years of Export ExperienceProduct Certification

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED

Henan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 14 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.94h

AI-Powered supplier vetting

SummaryThe supplier is a professional refractory-material and kiln-engineering supplier with capabilities covering shaped and unshaped refractory materials, castables, refractory cement, wear-resistant ceramics, graphite electrodes, kiln equipment, and related engineering services. It provides 3D design, sample/design-based customization, ODM, and OEM services, but reported no new products during the past year and has no SDK. Production information indicates two production lines and stated annual capacities including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and 50,000 tons of another refractory castable category. Quality and management certifications include CE, ISO9001:2015, ISO45001:2018, and ISO14001. Service procedures, complaint handling, corrective actions, and finished-product inspection are documented and followed. However, the supplier lacks overseas agents, branches, warehouses, and showrooms, and has no valid manufacturing-capacity...

Supplier typeThe supplier explicitly identifies as a professional technical supplier and operates across refractory materials, castables, ceramics, graphite electrodes, kiln equipment, and kiln-related engineering services. This indicates a specialized industrial supplier rather than a general trading entity.

CertificationsThe supplier reports CE product compliance certification and ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These stated certifications provide explicit evidence of formal quality, occupational safety, and environmental management coverage.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions, customer complaints, supplier-service assessment, and quality assurance, and it maintains in-stock service capability. However, it has no overseas warehouse, showroom, agent, or branch, so overseas physical service support is limited.

R&D capabilityThe supplier has three R&D engineers and provides 3D design, ODM, and OEM services, demonstrating design and development capability. However, it reported no new products in the past year and has no available SDK, so evidence of recent product innovation is limited.

Production capacityThe supplier operates two production lines and reports substantial annual capacities, including 100,000 tons of refractory bricks, 30,000 tons of refractory castable, 30,000 tons of refractory cement, and another 50,000-ton refractory castable category. It has defined equipment and finished-product inspection instructions, but lacks a valid contract between the factory and related subcontractor, creating a documented capacity-governance concern.

Customization capabilityThe supplier explicitly offers customization from samples and designs, 3D software design services, and ODM services. These combined capabilities directly support customized product development and manufacturing.

Product Q&A

Q:What is the carbon content of the graphite block?

The carbon content is above 99%, ensuring high purity and quality.

Q:Can the size and shape of the graphite block be customized?

Yes, we provide rectangular and round shapes with custom sizes according to customer requirements.

Q:What are the main applications of this graphite block?

It is widely used in Electric Discharge Machining (EDM), continuous casting, sintering, photovoltaic industry, and various chemical/metallurgical sectors.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 1 ton.

Q:What are the payment terms accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.