DOOWON HIGH STEEL, The Republic of Korea - Komachine Supplier Profile and Product List

- This company specializes in manufacturing and supplying special steel pipes and piping materials essential for high-value-added energy infrastructure, including LNG carriers, warships, offshore plants, and gas line plants. It offers a one-stop solution for various materials such as carbon steel, stainless steel, duplex steel, and copper alloy pipes, along with fittings and flanges. The company leverages extensive experience and accumulated know-how to provide customized solutions, focusing on continuous technological development and stringent quality control. Recognized as a strong small-to-medium enterprise, it received the 10 Million Dollar Export Tower award in 2024, affirming its competitiveness in the global market. Furthermore, the company is expanding its production base with a large-scale investment in the Miryang Yongjeon Industrial Complex, laying a strong foundation for sustained growth.This company specializes in manufacturing and supplying special steel pipes and piping materials essential for high-value-added energy infrastructure, including LNG carriers, warships, offshore plants, and gas line plants. It offers a one-stop solution for various materials such as carbon steel, stainless steel, duplex steel, and copper alloy pipes, along with fittings and flanges. The company leverages extensive experience and accumulated know-how to provide customized solutions, focusing on continuous technological development and stringent quality control. Recognized as a strong small-to-medium enterprise, it received the 10 Million Dollar Export Tower award in 2024, affirming its competitiveness in the global market. Furthermore, the company is expanding its production base with a large-scale investment in the Miryang Yongjeon Industrial Complex, laying a strong foundation for sustained growth.
- CARBON STEEL PIPE: Carbon steel pipes for general industrial and plant applications. High tensile strength and hardness, minimal deformation under high temperature and pressure, and strong resistance to external impact. Production capability for outer diameters from 8 inches to 140 inches and thicknesses from 6mm to 28mm.CARBON STEEL PIPE: Carbon steel pipes for general industrial and plant applications. High tensile strength and hardness, minimal deformation under high temperature and pressure, and strong resistance to external impact. Production capability for outer diameters from 8 inches to 140 inches and thicknesses from 6mm to 28mm.
- CARBON STEEL ALLOY PIPE: Alloy carbon steel pipes suitable for special environments, meeting diverse industrial requirements.CARBON STEEL ALLOY PIPE: Alloy carbon steel pipes suitable for special environments, meeting diverse industrial requirements.
- STAINLESS STEEL PIPE: Stainless steel pipes with low high-temperature oxidation, excellent corrosion resistance, and weldability, widely used in corrosive environments like acid/alkali conditions. Compliant with various standards such as ASTM A240, ASTM A312, and JIS G3459.STAINLESS STEEL PIPE: Stainless steel pipes with low high-temperature oxidation, excellent corrosion resistance, and weldability, widely used in corrosive environments like acid/alkali conditions. Compliant with various standards such as ASTM A240, ASTM A312, and JIS G3459.
- DUPLEX STEEL PIPE: Duplex steel pipes combining high strength and superior corrosion resistance, ideal for harsh environments such as offshore plants.DUPLEX STEEL PIPE: Duplex steel pipes combining high strength and superior corrosion resistance, ideal for harsh environments such as offshore plants.
- COPPER-NICKEL PIPE: Copper-nickel pipes known for excellent seawater resistance, minimal scale formation, increased elongation at low temperatures making them strong against freezing, and high flexibility for stability against vibrations and earthquakes. Adherence to international standards like ASTM B466 and ASTM B467.COPPER-NICKEL PIPE: Copper-nickel pipes known for excellent seawater resistance, minimal scale formation, increased elongation at low temperatures making them strong against freezing, and high flexibility for stability against vibrations and earthquakes. Adherence to international standards like ASTM B466 and ASTM B467.
- FLANGE & FITTING: Supply of essential flanges and fittings for pipeline system connections and directional changes.FLANGE & FITTING: Supply of essential flanges and fittings for pipeline system connections and directional changes.
- Specialization in High-Value-Added Special Steel Pipes: Expertise in supplying special steel pipes and piping materials for critical, high-value-added applications such as LNG carriers, warships, and offshore plants, where stringent quality standards are paramount. Possesses accumulated know-how in special steel piping for LNG vessels, maintaining durability in cryogenic environments.Specialization in High-Value-Added Special Steel Pipes: Expertise in supplying special steel pipes and piping materials for critical, high-value-added applications such as LNG carriers, warships, and offshore plants, where stringent quality standards are paramount. Possesses accumulated know-how in special steel piping for LNG vessels, maintaining durability in cryogenic environments.
- One-Stop Solution Provision: Establishment of a comprehensive production system capable of a one-stop supply of pipes, fittings, flanges, and valves made from various materials including carbon steel, alloy steel, stainless steel, duplex steel, and copper alloys. This contributes to enhancing shipbuilders' construction efficiency and reducing maintenance costs.One-Stop Solution Provision: Establishment of a comprehensive production system capable of a one-stop supply of pipes, fittings, flanges, and valves made from various materials including carbon steel, alloy steel, stainless steel, duplex steel, and copper alloys. This contributes to enhancing shipbuilders' construction efficiency and reducing maintenance costs.
- Extensive Experience and Technical Know-How: Leveraging rich experience and technical expertise accumulated since its establishment in 2009, the company provides customized solutions optimized for client requirements. Securing differentiated technological capabilities through continuous research and development efforts.Extensive Experience and Technical Know-How: Leveraging rich experience and technical expertise accumulated since its establishment in 2009, the company provides customized solutions optimized for client requirements. Securing differentiated technological capabilities through continuous research and development efforts.
- Strict Quality Control and International Certifications: Holds numerous international class certifications such as ABS, BV, DNV, LR, KR, JIS, RMRS, along with ISO9001, ISO14001, and ISO45001 quality management system certifications. Ensures the supply of highly reliable products in the global market through thorough ESG quality management.Strict Quality Control and International Certifications: Holds numerous international class certifications such as ABS, BV, DNV, LR, KR, JIS, RMRS, along with ISO9001, ISO14001, and ISO45001 quality management system certifications. Ensures the supply of highly reliable products in the global market through thorough ESG quality management.
- Large Diameter Welded Pipe Production Capability: Possesses facilities and related technology for producing large diameter welded pipes, ranging from 8 inches to 140 inches in outer diameter and 6mm to 28mm in thickness. Meeting diverse customer demands through the production of various specifications and material types.Large Diameter Welded Pipe Production Capability: Possesses facilities and related technology for producing large diameter welded pipes, ranging from 8 inches to 140 inches in outer diameter and 6mm to 28mm in thickness. Meeting diverse customer demands through the production of various specifications and material types.
- Shipbuilding Industry: Steel pipes and piping systems for the construction of high-value-added special vessels such as LNG carriers (LNG-SHIP) and warships (WAR-SHIP).Shipbuilding Industry: Steel pipes and piping systems for the construction of high-value-added special vessels such as LNG carriers (LNG-SHIP) and warships (WAR-SHIP).
- Offshore Plant Industry: Supply of high-specification steel pipes and components required for offshore plant construction.Offshore Plant Industry: Supply of high-specification steel pipes and components required for offshore plant construction.
- Energy Infrastructure Development: Projects involving natural gas line (GAS LINE) plants and global energy infrastructure.Energy Infrastructure Development: Projects involving natural gas line (GAS LINE) plants and global energy infrastructure.
- General Construction and Land Projects: Supply of steel products for various construction and land-based projects.General Construction and Land Projects: Supply of steel products for various construction and land-based projects.
- South Korea (domestic and export hub), Southeast AsiaSouth Korea (domestic and export hub), Southeast Asia
- EuropeEurope
- United States (indirect export through domestic companies), Canada (indirect export through domestic companies)United States (indirect export through domestic companies), Canada (indirect export through domestic companies)
- ISO9001:2015 (Quality Management System)ISO9001:2015 (Quality Management System)
- ISO14001:2015 (Environmental Management System)ISO14001:2015 (Environmental Management System)
- ISO45001:2018 (Occupational Health and Safety Management System)ISO45001:2018 (Occupational Health and Safety Management System)
- JIS (Japanese Industrial Standards Certification)JIS (Japanese Industrial Standards Certification)
- ABS (American Bureau of Shipping)ABS (American Bureau of Shipping)
- BV (Bureau Veritas)BV (Bureau Veritas)
- DNV (Det Norske Veritas)DNV (Det Norske Veritas)
- LR (Lloyd's Register)LR (Lloyd's Register)
- KR (Korean Register of Shipping)KR (Korean Register of Shipping)
- RMRS (Russian Maritime Register of Shipping)RMRS (Russian Maritime Register of Shipping)