Supplying high-quality steel sheets and coils to manufacturers of electrical machinery, automobile parts, and many other industries across Thailand.
Hanwa Co., Ltd. Group
Hanwa Steel Service (Thailand) Co., Ltd. is a Japanese company located in Amata City Chonburi Industrial Estate. We operate as a coil center, buying and selling steel and providing cutting services for steel coils and steel sheets used in many industries, such as electrical appliances and automotive parts. The company is promoted by the Board of Investment (BOI) and certified to ISO 9001, ISO 14001, ISO 45001 and IATF 16949.
Our slitter lines process steel coils to precise widths for your applications, handling various thicknesses with accuracy.
Advanced leveler lines producing flat steel sheets with excellent surface quality, consistent flatness and dimensional accuracy.
Precision shearing lines cutting steel sheets to exact lengths per customer specifications with strict tolerance control.
JIT delivery services optimising your manufacturing workflow from our strategic Chonburi location across Thailand.
High-quality sheets cut to precise dimensions for electrical machinery, automobile parts, and industrial applications.
Premium coils including HR(P/O), CR, EG, GI, PCM, and Stainless steel for diverse manufacturing needs.
Steel bars, shapes, pipes and wires for construction and manufacturing applications.
Custom steel pallets meeting your logistics and storage requirements across the value chain.
CSRHSST staff planted 500 mangrove trees at the Khlong Tamru Mangrove Conservation Center, Chonburi, as part of our CSR project for society and the environment.
Oct 10, 2026
CSRHSST collaborated with forest rangers and military officers for a large-scale forest conservation and reforestation activity.
Nov 8, 2025
CSRHSST staff joined hands to clean up beach and mangrove forest areas, preserving the coastal ecosystem.
Nov 9, 2024
CSRAnnual CSR campaign for society and the environment, with staff volunteering for environmental conservation activities.
Sep 16, 2023
CSRStaff volunteered in the mangrove forest restoration project, planting seedlings along Thailand's coastline to protect biodiversity.
Sep 16, 2023
CSRHSST donated scholarships to underprivileged children at the Amata Industrial Estate Children's Day event (January 2020).
Jan 8, 2020
CSRHSST partnered with the Department of National Parks (DNP) to plant trees and restore forest areas as part of CSR 2019.
Aug 24, 2019| Date | Code | Policy Name | Action |
|---|---|---|---|
| Jan, 2026 | HG-26 | Hanwa Group Supply Chain Handbook | |
| Aug 6, 2024 | Hr40-24 | Environmental Policy | |
| Aug 6, 2024 | HR39-24 | Safety, Health & Environment Policy | |
| Aug 1, 2024 | HR34-24 | Quality Policy | |
| May 14, 2024 | HR19-24 | Carbon Reduction Policy | |
| Apr, 2022 | HG-22 | Sustainability Basic Policy | |
| Jun 24, 2022 | HR-22 | Basic Approach to Human Rights | |
| Feb 15, 2021 | Hr08-21 | Anti-Bribery Policy | |
| GES | Hanwa Group Ethical Principles | ||
| REBC | Rules of Ethical Business Conduct | ||
| May 1, 2020 | Hr25-20 | Energy Conservation Policy | |
| Dec 19, 2019 | Hr76-19 | Corporate Policy & Vision |
Our commitment to quality demonstrated through internationally recognized certifications.
Quality Management System
Quality
Environmental Management System
Environment
Occupational Health & Safety
Safety
Automotive Quality Management
Automotive
Sustainable Industry Practices
Green| 設備名 TYPE OF MACHINE | S1 | S2 | S3 | MS1 |
|---|---|---|---|---|
| 工場 FACTORY | Factory 1 | Factory 1 | Factory 2 | Factory 2 |
| 稼働 OPERATION | Jul 2005 | Sep 2008 | Jan 2012 | Oct 2017 |
| メーカー MAKER | SANNOU | SANNOU | SANNOU | SHUSHENG |
| 母材 M/Coil | ||||
| 板厚 Thickness | 0.3～4.5mm | 0.2～2.3mm | 0.6～6.0mm | 0.2～2.0mm |
| 重量 Weight | Max. 20MT | Max. 20MT | Max. 20MT | Max. 4MT |
| 幅 Width | 400～1350mm | 200～1350mm | 600～1350mm | Max. 650mm |
| 内径 I/D | 508, 610mm | 508, 610mm | 508, 610mm | 508mm |
| 外径 O/D | Max. 2000mm | Max. 2000mm | Max. 2000mm | Max. 1500mm |
| 製品 Products | ||||
| 幅 Width | 150～800mm | 40～500mm | 40～500mm | 100～800mm |
| 鋼種 Steel Type | HR(P/O), CR, EG, GI, PCM, STAINLESS | |||
| 設備名 TYPE OF MACHINE | L1 (1350W) |
|---|---|
| 工場 FACTORY | Factory 2 |
| 稼働 OPERATION | May 2008 |
| メーカー MAKER | YUTANI |
| 母材 M/Coil | |
| 板厚 Thickness | 0.25～2.3mm |
| 重量 Weight | Max. 20MT |
| 幅 Width | 150～1350mm |
| 内径 I/D | 508, 610mm |
| 外径 O/D | Max. 2000mm |
| 製品 Products | |
| 幅 Width | 150～1350mm |
| 長さ Length | 300～2500mm |
| 長さ公差 Tolerance | ±0.3mm |
| 鋼種 Steel Type | HR(P/O), CR, EG, GI, PCM, STAINLESS |
| 設備名 TYPE OF MACHINE | M1 (800W) | M2 (500W) | M3 (500W) | M4 (800W) |
|---|---|---|---|---|
| 工場 FACTORY | Factory 1 | Factory 1 | Factory 1 | Factory 1 |
| 稼働 OPERATION | Jul 2005 | Jul 2005 | Oct 2010 | Dec 2011 |
| メーカー MAKER | YUTANI | YUTANI | YUTANI | YUTANI |
| 母材 M/Coil | ||||
| 板厚 Thickness | 0.25～1.6mm | 0.25～1.2mm | 0.25～1.2mm | 0.25～2.3mm |
| 重量 Weight | Max. 8MT | Max. 5MT | Max. 5MT | Max. 8MT |
| 幅 Width | 150～800mm | 40～500mm | 40～500mm | 100～800mm |
| 内径 I/D | 508mm | 508mm | 508mm | 508mm |
| 外径 O/D | 700～1500mm | 700～1500mm | 700～1500mm | 600～1500mm |
| 製品 Products | ||||
| 重量 Weight | 2,000kg/Pack | 2,000kg/Pack | 1,500kg/Pack | No.1 2,000kg/Pack No.2 3,500kg/Pack |
| 幅 Width | 150～800mm | 40～500mm | 40～500mm | 100～800mm |
| 長さ Length | 150～3500mm | 130～1500mm | 130～1000mm | No.1 300～2000mm No.2 300～5000mm |
| 長さ公差 Tolerance | ±0.3mm | ±0.3mm | ±0.3mm | ±0.3mm |
| 鋼種 Steel Type | HR(P/O), CR, EG, GI, PCM, STAINLESS | |||
| 設備名 TYPE OF MACHINE | SHEAR (Semi-Auto) | SHEAR (Manual) A | SHEAR (Manual) B |
|---|---|---|---|
| 稼働 OPERATION | Jul 2005 | Jul 2005 | Apr 2009 |
| メーカー MAKER | AMADA | AIZAWA | AIZAWA |
| 母材 Material | |||
| 板厚 Thickness | 0.4～3.2mm | 0.4～3.2mm | 0.3～4.5mm |
| 重量 Weight | 3,000kg | 2,000kg | 2,000kg |
| 幅 Width | 300～1300mm | 200～2060mm | Max.1280mm |
| 製品 Products | |||
| 長さ Length | 55～1230mm | 40～1000mm | 9～700mm |
| 長さ公差 Tolerance | ±0.3mm | ±0.3mm | ±0.3mm |
| 鋼種 Steel Type | HR(P/O), CR, EG, GI, PCM, STAINLESS | ||
Grow your career with a leading steel service company. We believe our people are our greatest asset.
Continuous learning and development opportunities.
Performance-based rewards and recognition programs.
Competitive salary, health insurance and welfare.
Clear career paths and advancement opportunities.
We're always looking for talented individuals. Send your resume for future opportunities.
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