Certifications
LJUNGSTRÖM maintains internationally recognized certifications supporting quality management, environmental responsibility, and advanced welding standards across our operations.
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A century of innovation in heat recovery and emissions control
USA CERTIFICATIONS
ISO 9001
Quality Management Systems
Supports consistent processes, operational excellence, and customer-focused quality assurance across manufacturing and engineering operations.
ISO 14001
Environmental Management Systems
Demonstrates commitment to environmental responsibility, sustainability, and continuous improvement across manufacturing and operational practices.
ASME & National Board
“R”, “S”, and “U” Stamps
Certified for the manufacture, repair, and alteration of pressure vessels and boiler components in accordance with ASME and National Board standards.
AISC Certification
Building, Highway Fabrication & Complex Coating Endorsement
Building Fabricator, Highway Component Manufacturer, and Complex Coating Endorsement certifications supporting advanced structural steel fabrication capabilities.
JAPAN CERTIFICATIONS
ISO 9001
Quality Management Systems
Certified for the design, procurement, manufacture, and maintenance of heat exchangers and sootblowers.
JIS Q 9001
Industrial Manufacturing Compliance
Japanese industrial quality standard supporting compliance, operational consistency, and customer-focused manufacturing practices.
INDIA CERTIFICATIONS
ISO 9001
Quality Management Systems
Certified for the design, manufacture, retrofit, and after sales service of Ljungström® branded air preheaters and gas gas heaters for thermal power and industrial applications.
ISO 14001
Environmental Management Systems
Environmental management certification supporting responsible manufacturing practices, operational sustainability, and continuous environmental improvement.
ISO 45001
Occupational Health & Safety
Occupational health and safety certification supporting workplace risk management, employee wellbeing, and safe operational practices.
CHINA CERTIFICATIONS
ISO 9001
Quality Management Systems
Certified for the design, manufacture, retrofit, and after sales service of Ljungström® branded air preheaters and gas gas heaters for thermal power and industrial applications.
ISO 14001
Environmental Management Systems
Environmental management certification supporting responsible manufacturing practices, operational sustainability, and continuous environmental improvement.
ISO 45001
Occupational Health & Safety
Occupational health and safety certification supporting workplace risk management, employee wellbeing, and safe operational practices.