TOKAI CARBON KOREA

What TOKAI CARBON KOREA does

TOKAI CARBON KOREA Co., Ltd. (TCK) is a specialized Korean manufacturer of high-purity graphite and advanced ceramic components serving the semiconductor, LED, and solar cell industries. Established in 1996 as a joint venture between Japan's Tokai Carbon Co., Ltd. (which holds a 50.39% majority stake) and Korea's KC Co., Ltd., TCK has operated as a vertically integrated, single-site batch producer for over two decades and is the only Korean company with a full design-to-finished-product pipeline in this material category. The company has been publicly listed on KOSDAQ (ticker 064760) since August 2003 and is headquartered in Anseong-si, Gyeonggi-do, with a 251-500 employee headcount.

The company sells three core product lines: (1) high-purity graphite components for Czochralski crystal growth and semiconductor process equipment (heaters, crucibles, reflectors, wafer holders, heat shields); (2) SiC and TaC coated susceptors for MOCVD LED and epitaxial semiconductor processes (LED wafer carriers, ALD and EPI susceptors for GaN/GaAs atmospheres); and (3) CVD SiC components — rings, dummy wafers, and shower heads — engineered for dry etcher and diffusion chamber applications, offering material purity above 99.9999% and longer component lifetimes than silicon alternatives. Manufacturing is anchored at a 32,400 m² plant in Anseong Industrial Complex, with a 45,295 m² secondary site at Anseong Techno Valley under build-out (KRW 25.7 billion investment, 2022-2024) to roughly 1.4x existing capacity. The company holds ISO 9001, ISO 14001, ISO 27001, K-ISMS, and KOSHA 18001 certifications.

TCK monetizes almost exclusively through B2B hardware sales of customized, qualified consumable components to global semiconductor equipment OEMs and wafer manufacturers — including Samsung Electronics, SK Siltron, Lam Research, Tokyo Electron, Applied Materials, SEMES, and AMEC — via a direct enterprise field-sales motion with dedicated account management. Pricing is not publicly disclosed and operates under bespoke enterprise contracts. Customer recognition is unusually deep: the company has accumulated multi-year Best Partner and Supplier awards from at least seven major customers between 2020 and 2025, plus Korean government recognitions including a Prime Minister's Award on the 13th Semiconductor Day (2020) and the 2026 Corporate Value Enhancement Excellent Enterprise award from the Financial Services Commission.

Name

TOKAI CARBON KOREA

Legal name

TOKAI CARBON KOREA Co., Ltd.

Website

https://tck.co.kr

Company type

Public

Founded year

1996

Operating status

Operating

Headcount range

251–500 employees

Short description

TOKAI CARBON KOREA (TCK) is a Korean manufacturer of high-purity graphite and advanced ceramic components for semiconductor, LED, and solar cell production equipment, serving global OEMs such as Samsung, SK Siltron, Lam Research, Tokyo Electron, and Applied Materials.

Ownership category

akta.pro rank

Product category

Semiconductor Equipment Components

NAICS

Semiconductor and Other Electronic Component Manufacturing (33441), Other Electronic Component Manufacturing (334419)

SIC

Electronic Components, Nec (3679)

akta.pro primary industry

Back-End/Advanced Packaging Equipment (Die Attach/Wire Bond/Flip-Chip/TCB) (HDAHAEAL)

akta.pro secondary industry

Compound Semiconductor Wafers & Substrates (SiC/GaN/GaAs/InP/Sapphire) (HDAHAGAB)

Keywords

• Semiconductor components
• Graphite components
• Silicon carbide ceramics
• LED manufacturing equipment
• Wafer production materials

Headquarters

HQ city

Anseong

HQ country

South Korea

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Infrastructure, Technology or R&D, Personnel

Revenue model

1. Semiconductor Equipment Components: TCK manufactures and sells high-purity graphite components, SiC/TaC coated components, and CVD SiC components to semiconductor equipment OEMs. Products are used in semiconductor, LED, and solar cell manufacturing processes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

TCK manufactures and sells high-purity graphite components, SiC/TaC coated components, and CVD SiC components used as consumable and structural parts in semiconductor wafer production, LED epitaxial growth, and solar cell manufacturing equipment. The company operates a vertically integrated batch production system at its Anseong facility covering machining, high purification, CVD coating, and cleaning, and supplies major semiconductor equipment OEMs and wafer manufacturers globally.

Product overview

TOKAI CARBON KOREA Co., Ltd. (TCK) is a specialized manufacturer of advanced ceramic materials and components for the semiconductor, LED, and solar cell industries. The company operates a batch production system from design to final product, offering three core product lines: Graphite Components (high-purity isotropic graphite parts for crystal growth and high-temperature applications), SiC/TaC Coated Components (chemical vapor deposition coated susceptors for epitaxial and LED processes), and CVD SiC Components (solid silicon carbide parts for plasma and high-temperature semiconductor processes). TCK provides complete in-house manufacturing capabilities including machining, high purification, CVD coating, and cleaning operations at its Anseong facility.

Differentiator

Problem solved

Functional benefit

Products and services

• Graphite Components High-purity graphite components for CZ crystal grower equipment used in semiconductor and solar cell wafer production, including hotzone, heater, outer components, crucible, heat shields, reflectors, and wafer holders. Designed for semiconductor manufacturers and wafer producers requiring heat resistance, high thermal conductivity, low thermal expansion, and high chemical resistance.
• SiC/TaC Coated Components SiC and TaC coated susceptors for MOCVD LED applications and semiconductor epitaxial processes, including LED wafer carriers, ALD susceptors, and EPI susceptors for GaN and GaAs atmospheres. Provides high-temperature stability for LED manufacturing equipment makers and epitaxial process users.
• CVD SiC Components Chemical Vapor Deposition (CVD) SiC components including SiC rings, dummy wafers, and shower heads for dry etcher and diffusion chamber applications in semiconductor manufacturing. Offers material purity greater than 99.9999%, no heat deformation, no outgassing, long lifetime compared to silicon, and excellent chemical resistance for semiconductor equipment OEMs.

Quantifiable outcome

• CVD SiC components have longer lifetime compared to Si components

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Two partnerships are on record, tiered core.

• Tokai Carbon Co., Ltd. (Japan)coreOthers · 1 January 1996Parent company and joint venture partner established in 1996. Tokai Carbon Co., Ltd. holds 50.39% of TCK shares. Provides technical support and specialization in advanced carbon materials. Tokyo-based company established in 1918.
• KC Co., Ltd. (Korea)coreOthers · 1 January 1996Joint venture partner and shareholder holding 8.18% of TCK. Korean leader in semiconductor and FPD equipment. Anseong-based company established in 1987 with subsidiaries including KCTech, KCEnC, KCTNS, KCInnovation, KKTech.

Scale indicators7 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• SGL Carbon: Germany-listed manufacturer of carbon-based products including high-purity graphite for semiconductor, LED, and solar markets. Comparable product portfolio to TCK's graphite components for crystal growth and high-temperature semiconductor processes.
• Entegris: US-listed specialty materials and fluid handling provider for semiconductor and life sciences. Comparable as a critical-materials supplier into semiconductor fabs and equipment, though its portfolio is broader (filters, chemicals, gas delivery) rather than chamber ceramics.
• Morgan Advanced Materials: UK-listed manufacturer of advanced ceramics, carbon, and composite materials for semiconductor, energy, and industrial applications. Comparable to TCK in producing high-purity graphite and SiC-based components used in semiconductor and LED manufacturing equipment.
• CoorsTek: US-headquartered global advanced ceramics manufacturer serving semiconductor, medical, aerospace, and industrial markets. Comparable in supplying technical ceramic components (including SiC) for semiconductor process equipment, but with a much broader portfolio across industries.

Direct peers

• Mersen: French-listed global specialist in carbon, graphite, and SiC components serving semiconductor, energy, and electronics markets. Highly comparable to TCK in SiC-coated and graphite parts for semiconductor equipment OEMs and wafer makers.
• Schunk Group: German privately-held carbon technology specialist producing high-purity graphite and SiC components for semiconductor, LED, and solar applications. Direct functional peer to TCK in furnace/crystal-growth and epitaxy consumable components.
• Ferrotec: Japan-based global supplier of advanced materials, semiconductor equipment components, and ferrofluidic solutions. Direct comparable to TCK in SiC and ceramic components for WFE, and named counterparty in TCK's trade-secret litigation, indicating head-to-head overlap in customer programs.
• Toyo Tanso: Japan-based leading manufacturer of high-purity isotropic graphite and SiC-coated components for semiconductor, solar, and LED equipment. Directly comparable product overlap with TCK, especially given Tokai Carbon's role as TCK's parent and the historical Japanese-Korean rivalry in carbon materials for WFE.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/tck

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TOKAI CARBON KOREA