POSCO Thainox Public Company
POSCO Thainox is Thailand's only cold rolled stainless steel manufacturer, producing austenitic and ferritic coils and sheets for industrial end-users in automotive, construction, appliances, and pipe sectors, serving domestic distributors and exporting via POSCO Korea's global network.
- Company typePublic
- Founded1990
- HeadquartersKhlong Toei, Thailand
- Headcount501–1,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What POSCO Thainox Public Company does
POSCO Thainox Public Company Limited is Thailand's sole cold rolled stainless steel manufacturer, producing coils and sheets for industrial end-users across automotive components, home appliances, architecture and construction, tubes and pipes, and general industrial applications. Founded on July 30, 1990 through a joint venture of French, Japanese, Italian, and Thai steel groups, the company operates its main production facility on more than 130 rai at Rayong Industrial Estate with installed capacity of 300,000 tons per year following the Phase 3 expansion (Sendzimir mills ZRM I, II, III, batch annealing furnaces for ferritic grades, annealing and pickling lines, surface polishing/CPL, stainless slitting lines STL#2 and mini STL, two surface conditioning mills, and coil end welding). The product portfolio covers austenitic stainless steel (chromium-nickel, non-magnetic) and ferritic stainless steel (chromium-based, magnetic), and the company holds multi-jurisdictional certifications including JIS (2014), CE (2016), ISI (2017), ISO 9001, ISO 14001, ISO 45001 (formerly OHSAS 18001), ISO/IEC 17025 laboratory accreditation, RCS 2.0 (2023), and CAC anti-corruption membership (2022).
POSCO Thainox Public Company firmographics
Firmographics- Name
- POSCO Thainox Public Company
- Legal name
- POSCO-Thainox Public Company Limited
- Website
- https://poscothainox.com
- Company type
- Public
- Founded year
- 1990
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- POSCO Thainox is Thailand's only cold rolled stainless steel manufacturer, producing austenitic and ferritic coils and sheets for industrial end-users in automotive, construction, appliances, and pipe sectors, serving domestic distributors and exporting via POSCO Korea's global network.
- Ownership category
- akta.pro rank
POSCO Thainox Public Company industry classification
Industry- Product category
- Cold Rolled Stainless Steel Manufacturing
- NAICS
- Iron and Steel Mills and Ferroalloy Manufacturing (3311), Primary Metal Manufacturing (331)
- SIC
- Sheet Metal Work (3444)
- akta.pro industry
- Hot Rolling & Primary Mills (Plate, Hot-Rolled Coil/Sheet, Strip)
Keywords
Where POSCO Thainox Public Company is headquartered
LocationHeadquarters
- HQ city
- Khlong Toei
- HQ country
- Thailand
- HQ region
- Asia
Offices3 records
Markets served
POSCO Thainox Public Company business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Infrastructure, Personnel, Technology or R&D
Revenue model
- Cold Rolled Stainless Steel Product Sales: Manufactures and sells cold rolled stainless steel in coil and sheet form. Approximately 70% of sales support the domestic market via distributors to manufacturing end-users and small businesses; approximately 30% exported internationally through POSCO Korea's global distribution network.
Go-to-market motion2 records
Distribution channels2 records
Marketing channels5 records
POSCO Thainox Public Company product offering
Product offeringCore offering
POSCO Thainox manufactures and sells cold rolled stainless steel coils and sheets, in austenitic (chromium-nickel, non-magnetic) and ferritic (chromium-based, magnetic) grades. Production takes place at the company's Rayong facility — the only cold rolled stainless steel plant in Thailand — using Sendzimir mills, batch annealing furnaces, and pickling lines. Approximately 70% of output is sold domestically via distributors to industrial end-users and small businesses, with the remaining ~30% exported through POSCO Korea's global distribution network.
Product overview
POSCO Thainox Public Company is Thailand's only cold-rolled stainless steel producer, manufacturing and distributing stainless steel coils and sheets. The company produces two main product types: Austenitic stainless steel (non-magnetic, chromium-nickel based) and Ferritic stainless steel (magnetic, chromium-based). Approximately 70% of sales support the domestic market through distributors to end-users and small businesses, while 30% is exported internationally. The company operates a service center at Amata City Industrial Estate in Chonburi Province to support local supply chain efficiency.
Differentiator
Problem solved
Functional benefit
Products and services
- Cold-Rolled Stainless Steel Coils (สเตนเลสรีดเย็นชนิดม้วน)
Quantifiable outcome
- Cumulative production of 3,500,000 tons achieved
- +2 more outcomes
Companies that use POSCO Thainox Public Company
Customer profileSegments4 records
Ideal customer profiles4 records
POSCO Thainox Public Company technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature9 records
POSCO Thainox Public Company partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor, flagship and core.
- Thai Private Sector Coalition Against Corruption (CAC)minorPOSCO-Thainox became a certified member of the Thai Private Sector Coalition Against Corruption (CAC) in 2022. The company underwent self-assessment and was recognized for its anti-corruption policies and compliance measures in Q3/2022.
- POSCO (Republic of Korea)flagshipOn September 21, 2011, POSCO from South Korea — one of the world's leading steel and stainless steel producers — completed its acquisition of Thai Thainox and renamed it POSCO-Thainox Public Company Limited. POSCO has provided competitive capabilities and operational efficiency support, enabling the company to pursue growth strategy and the highest market share of cold rolled stainless steel in Thailand, aiming to become the #1 quality leader in Southeast Asia.
- POSCO Korea (Distribution Agreement)coreIn 2007, the company signed a joint distribution agreement with POSCO Korea, appointing POSCO Korea as the exclusive raw material supplier and international distribution representative for all export sales outside Thailand. This agreement leverages POSCO's global distribution network for the company's ~30% export sales.
- World Stainless Steel Association (ISSF)minorCorporate member of the International Stainless Steel Forum (worldstainless.org), the global stainless steel industry association.
Scale indicators7 records
Recent moves9 records
Expansion highlights4 records
POSCO Thainox Public Company competitors and assessment
Company assessmentDirect peers
- Acerinox: Spanish stainless steel manufacturer with global production of cold rolled flat stainless steel products. Comparable business model — integrated stainless steel mill producing coil and sheet for industrial customers.
- Outokumpu: Finland-based global leader in stainless steel cold-rolled coil and sheet production. Directly comparable to POSCO Thainox as a pure-play cold rolled stainless steel manufacturer serving industrial end-markets.
- North American Stainless: US-based flat stainless steel producer (part of Acerinox group) focused on cold rolled stainless steel coil and sheet. Closely comparable cold rolling operations serving regional industrial markets.
- Aperam: Luxembourg-based stainless steel producer specializing in cold rolled and specialty stainless products. Direct peer in product mix, customer segments (automotive, construction, industrial), and channel structure.
- Jindal Stainless: India's largest stainless steel manufacturer producing cold rolled coils and sheets for industrial and architectural applications. Comparable Asian emerging-market stainless producer with similar austenitic/ferritic grade portfolio.
- Yieh United Steel Corporation (YUSCO): Taiwan-based stainless steel manufacturer producing cold rolled coils and sheets across austenitic and ferritic grades. Comparable Asian stainless producer with overlapping export markets in Southeast Asia.
- Tsingshan Holding Group: China's largest stainless steel producer, vertically integrated with nickel mining. Comparable cold rolled stainless steel output and aggressive expansion into Southeast Asia (Indonesia) creates direct competitive overlap.
Broad incumbents
- Thyssenkrupp: German industrial conglomerate with significant stainless steel operations. Broader incumbent in the same stainless steel category, but with a diversified industrial portfolio beyond stainless.
- POSCO Holdings: Korean parent and one of the world's largest steel producers. While much broader than POSCO Thainox, its stainless steel operations and global export network directly influence the Thai subsidiary's competitive context.
- ArcelorMittal: World's largest steel producer with stainless steel product lines as part of a broader flat-rolled and long-products portfolio. Provides global capacity benchmark and competitive threat across Asian export markets.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
POSCO Thainox Public Company social profiles
Digital presencePOSCO Thainox Public Company compliance and trust
Trust signalCompliance11 records
POSCO Thainox Public Company financial estimates
Financial estimateRevenue estimate
Valuation estimate
POSCO Thainox Public Company leadership team
Management profileNumber of profiles
Profiles1 record
POSCO Thainox Public Company subsidiaries and ownership
Company hierarchySubsidiaries1 record
POSCO Thainox Public Company funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
POSCO Thainox Public Company M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about POSCO Thainox Public Company
What does POSCO Thainox Public Company do?
POSCO Thainox manufactures and sells cold rolled stainless steel coils and sheets, in austenitic (chromium-nickel, non-magnetic) and ferritic (chromium-based, magnetic) grades. Production takes place at the company's Rayong facility — the only cold rolled stainless steel plant in Thailand — using Sendzimir mills, batch annealing furnaces, and pickling lines. Approximately 70% of output is sold domestically via distributors to industrial end-users and small businesses, with the remaining ~30% exported through POSCO Korea's global distribution network.
Is POSCO Thainox Public Company a public or private company?
POSCO Thainox Public Company is a public company. It is classified as public and is currently operating.
When was POSCO Thainox Public Company founded?
POSCO Thainox Public Company was founded in 1990. It employs 501 to 1,000 people.
Where is POSCO Thainox Public Company based?
POSCO Thainox Public Company is headquartered in Khlong Toei, Thailand, in the Asia region.
How does POSCO Thainox Public Company make money?
One revenue line is on record: cold Rolled Stainless Steel Product Sales.
Who are POSCO Thainox Public Company's main competitors?
Direct peers on record are Acerinox, Outokumpu, North American Stainless, Aperam, Jindal Stainless, Yieh United Steel Corporation (YUSCO) and Tsingshan Holding Group. Broad incumbents are Thyssenkrupp, POSCO Holdings and ArcelorMittal.
Does POSCO Thainox Public Company have an API?
No public API is recorded for POSCO Thainox Public Company.
What industry is POSCO Thainox Public Company in?
POSCO Thainox Public Company's product category is Cold Rolled Stainless Steel Manufacturing. Its primary akta.pro industry code is IMAKABAE, Hot Rolling & Primary Mills (Plate, Hot-Rolled Coil/Sheet, Strip). Its NAICS code is 3311 and its SIC code is 3444.