TMC, The Republic of Korea - Komachine Supplier Profile and Product List

- TMC Co., Ltd. is a specialized manufacturer of core components for Mark III type LNG Cargo Tanks, including membranes, stainless steel corners, and anchor strips. Established in 2001 as a shipbuilding equipment specialist, the company gained recognition for its technology by obtaining manufacturing approval for membrane sheets from Gaztransport & Technigaz (GTT). It holds a strong position as a global shipbuilding equipment expert, highly regarded by leading LNG carrier shipowners both domestically and internationally. Recently, the company is expanding its business into the future eco-friendly energy sector through the development of liquefied hydrogen storage tanks.TMC Co., Ltd. is a specialized manufacturer of core components for Mark III type LNG Cargo Tanks, including membranes, stainless steel corners, and anchor strips. Established in 2001 as a shipbuilding equipment specialist, the company gained recognition for its technology by obtaining manufacturing approval for membrane sheets from Gaztransport & Technigaz (GTT). It holds a strong position as a global shipbuilding equipment expert, highly regarded by leading LNG carrier shipowners both domestically and internationally. Recently, the company is expanding its business into the future eco-friendly energy sector through the development of liquefied hydrogen storage tanks.
- Its main product lines consist of membrane sheets, stainless steel corners, and anchor strips used in Mark III type LNG Cargo Tanks for LNG carriers. The membrane sheet category includes Flat Membrane (models MS1, MS8), a primary product installed on the inner walls of LNG tanks. Additionally, Special Membrane for tank corners or end parts and Accessory Membrane (Angle Piece, Dog leg) for tank corner connections or Flat Membrane end connections are key items. Stainless Steel Corners, including 2-Way and 3-Way models, along with Anchor Strips, provide structural stability for LNG cargo tanks. A core technology involves utilizing the patented Corrugation shape from Gaztransport & Technigaz (GTT) to absorb contraction and expansion stress caused by temperature changes within LNG Cargo Tanks. The company possesses automated production capabilities to meet the global trend of LNG carrier cargo tanks emphasizing insulation efficiency. Currently, it is developing liquefied hydrogen storage tanks applicable to automobiles.Its main product lines consist of membrane sheets, stainless steel corners, and anchor strips used in Mark III type LNG Cargo Tanks for LNG carriers. The membrane sheet category includes Flat Membrane (models MS1, MS8), a primary product installed on the inner walls of LNG tanks. Additionally, Special Membrane for tank corners or end parts and Accessory Membrane (Angle Piece, Dog leg) for tank corner connections or Flat Membrane end connections are key items. Stainless Steel Corners, including 2-Way and 3-Way models, along with Anchor Strips, provide structural stability for LNG cargo tanks. A core technology involves utilizing the patented Corrugation shape from Gaztransport & Technigaz (GTT) to absorb contraction and expansion stress caused by temperature changes within LNG Cargo Tanks. The company possesses automated production capabilities to meet the global trend of LNG carrier cargo tanks emphasizing insulation efficiency. Currently, it is developing liquefied hydrogen storage tanks applicable to automobiles.
- Flat Membrane (Models: MS1, MS8): Stainless steel sheets installed on the inner wall of LNG tanks.Flat Membrane (Models: MS1, MS8): Stainless steel sheets installed on the inner wall of LNG tanks.
- Accessory Membrane (Models: Angle Piece, Dog leg): Installed at the corner parts of the tank or the end connection parts of Flat Membrane.Accessory Membrane (Models: Angle Piece, Dog leg): Installed at the corner parts of the tank or the end connection parts of Flat Membrane.
- Special Membrane: Installed at the edge or end parts of the tank.Special Membrane: Installed at the edge or end parts of the tank.
- Stainless Steel Corner (Models: 2-Way, 3-Way): Stainless steel corners required for LNG Cargo Tanks.Stainless Steel Corner (Models: 2-Way, 3-Way): Stainless steel corners required for LNG Cargo Tanks.
- Anchor Strip: Anchor strips required for LNG Cargo Tanks.Anchor Strip: Anchor strips required for LNG Cargo Tanks.
- World-class technological capability and quality recognized by Gaztransport & Technigaz (GTT) through manufacturing procedure and factory approvals for membrane sheets. Unique specialization and extensive experience in core components for Mark III type LNG Cargo Tanks. Stable supply record and strong partnerships with major domestic shipyards such as HD Hyundai Heavy Industries, Samsung Heavy Industries, and HD Hyundai Samho Heavy Industries. Proven competitiveness and export capabilities in the global market, evidenced by the 7 Million Dollar Export Tower award. Securing future growth engines through continuous R&D and new technology development, including liquefied hydrogen fuel tanks and recon containers. A quality management policy prioritizing thorough craftsmanship and customer satisfaction. Operation of an efficient production system through the establishment of automated production lines.World-class technological capability and quality recognized by Gaztransport & Technigaz (GTT) through manufacturing procedure and factory approvals for membrane sheets. Unique specialization and extensive experience in core components for Mark III type LNG Cargo Tanks. Stable supply record and strong partnerships with major domestic shipyards such as HD Hyundai Heavy Industries, Samsung Heavy Industries, and HD Hyundai Samho Heavy Industries. Proven competitiveness and export capabilities in the global market, evidenced by the 7 Million Dollar Export Tower award. Securing future growth engines through continuous R&D and new technology development, including liquefied hydrogen fuel tanks and recon containers. A quality management policy prioritizing thorough craftsmanship and customer satisfaction. Operation of an efficient production system through the establishment of automated production lines.
- International standard compliance and reliability secured through GTT approval.International standard compliance and reliability secured through GTT approval.
- Robust cooperative relationships with major domestic shipyards.Robust cooperative relationships with major domestic shipyards.
- Investment in future eco-friendly energy technology development.Investment in future eco-friendly energy technology development.
- High quality and production efficiency through automated manufacturing systems.High quality and production efficiency through automated manufacturing systems.
- The primary applied industry is the shipbuilding industry, including the construction of LNG carriers. Essential component supply for cryogenic liquefied gas carriers and storage systems. Potential expansion into future mobility and eco-friendly energy storage sectors through the development of liquefied hydrogen fuel tanks. Applicability in offshore plant and specialized vessel construction sectors.The primary applied industry is the shipbuilding industry, including the construction of LNG carriers. Essential component supply for cryogenic liquefied gas carriers and storage systems. Potential expansion into future mobility and eco-friendly energy storage sectors through the development of liquefied hydrogen fuel tanks. Applicability in offshore plant and specialized vessel construction sectors.
- South Korea, Other Asian countries (potential)South Korea, Other Asian countries (potential)
- European countries (potential)European countries (potential)
- North American countries (potential)North American countries (potential)
- Obtained manufacturing procedure approval and factory approval for membrane sheets from Gaztransport & Technigaz (GTT) in 2002. This is a crucial certification proving quality and technological capability compliant with global standards for LNG cargo tank technology. Acquired AIP (Approval in Principle) certification for 'Liquid Hydrogen Fuel Supply System' from Korean Register (KR). GTT's Corrugation technology is a patented technology, and the company produces products utilizing this technology. Establishment of a production system using molds developed with its own technology.Obtained manufacturing procedure approval and factory approval for membrane sheets from Gaztransport & Technigaz (GTT) in 2002. This is a crucial certification proving quality and technological capability compliant with global standards for LNG cargo tank technology. Acquired AIP (Approval in Principle) certification for 'Liquid Hydrogen Fuel Supply System' from Korean Register (KR). GTT's Corrugation technology is a patented technology, and the company produces products utilizing this technology. Establishment of a production system using molds developed with its own technology.
- Awarded the 7 Million Dollar Export Tower (at the 62nd Trade Day ceremony).Awarded the 7 Million Dollar Export Tower (at the 62nd Trade Day ceremony).
- Selected as an Excellent Partner by Samsung Heavy Industries in 2025.Selected as an Excellent Partner by Samsung Heavy Industries in 2025.