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Niroo Gostar Lian Supporting Industry on the Path to Quality

Precision in Measurement, Confidence in Decision-Making

Two decades of experience delivering comprehensive laboratory, technical inspection, calibration, and metrology services to the highest international standards

What Sets Niroo Gostar Lian Apart

Expertise in Air-Conditioner
and HVAC Testing

Electric motor testing
from 0.3 to 30 kW

Advanced mineral analysis
with microwave digestion

Comprehensive powertrain testing

International Standards and Certifications

Niroo Gostar Lian holds certifications covering four areas: laboratory technical competence, inspection, quality management, and occupational health and safety.

Laboratory accreditation certificate, ozone laboratory — Iran National Accreditation Center (NACI)
Inspection body accreditation certificate, ISO/IEC 17020
ISO 9001:2015 quality management system certificate — TUV International
ISO 45001:2018 occupational health and safety management certificate — Canada ACS

Niroo Gostar Lian’s Capabilities at a Glance

  • CALIBRATED
    +300 Products Covered
  • LICENSED
    11 National Licenses
  • ISO/IEC
    +5000 Test Clauses
  • VERIFIED
    9 Specialized Labs

Specialized Experience in Real-World Projects

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Catalogs and Technical Resources

Learn more about Niroo Gostar Lian’s services and capabilities by downloading the documentation you need.

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Automotive & Powertrain Laboratory Catalog

Drawing on specialized expertise and strict compliance with technical requirements, we evaluate automotive and powertrain equipment and components to ensure that every product meets the highest standards of performance and efficiency before being used in vehicles and taken onto the road.

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Medical Equipment & Supplies Laboratory Catalog

At the medical equipment and supplies laboratory, drawing on specialized expertise and strict compliance with technical requirements, we evaluate medical equipment and supplies to ensure that every product meets the highest standards of safety and performance before entering healthcare environments.

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Geotechnics, Soil Mechanics & Construction Materials Laboratory Catalog

Our geotechnics, soil-mechanics and construction-materials laboratory offers comprehensive testing and quality-control services across minerals, construction materials and industrial raw materials, as well as specialized geotechnical and soil-mechanics studies, using specialized equipment and both classical and modern instrumental analysis methods.

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Electrical & Electronics Laboratory Catalog

With 20 years of experience, the electrical laboratory tests electrical appliances for safety, performance and energy rating — household and similar appliances, audio, video and IT equipment, power supplies, uninterruptible power systems (UPS), electric and pneumatic tools, and medical devices — for manufacturers and importers. Tests are carried out in accordance with each product's reference national standards.

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Mechanical Laboratory Catalog

Niroo Gostar Lian's mechanics laboratory provides laboratory and quality-control services using specialized equipment, standard test methods and expert personnel. Relying on accuracy, reliable results and compliance with national and international standards, it performs specialized tests and assesses the relevant indicators.

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Environmental Laboratory Catalog

Niroo Gostar Lian's environmental laboratory provides laboratory and quality-control services in environmental monitoring, using specialized equipment, standard test methods and expert personnel. Relying on accuracy, reliable results and compliance with national and international standards, it performs specialized tests and assesses environmental indicators.

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Oil & Petroleum Products Laboratory Catalog

An introduction to the oil and petroleum-product analysis and quality-control tests at the Niroo Gostar Lian laboratory — from ash determination to the cloud point of fuels: for each test, its purpose and scope, a summary of the method, and the reference ASTM and national standards.

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Food & Agricultural Products Catalog

Niroo Gostar Lian's capabilities in food testing: microbiological and physicochemical tests, instrumental analysis by chromatography (GC-MS and HPLC) and atomic absorption, covering a test range from milk, dairy and meat products to grains, canned goods, beverages and animal feed.

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News & Articles

1-minute read
Announcements

Obtaining the ISO/IEC 17025 certificate

Niroo Gostar Lian's laboratory successfully obtained the ISO/IEC 17025 certificate — an important step toward raising the laboratory's technical competence and the quality of its services.

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Your Voice, Our Credibility

We are proud to partner with the country’s leading industries. Our commitment to accuracy and responsiveness is the foundation of our clients’ trust.


  • 24/7 Support
  • 98% Projects
  • +1500 Projects
Collaboration Experience

"Working with the NGL team was a distinctive experience defined by precision and discipline. The technical reports we received exceeded prevailing market standards and made a significant contribution to optimizing our production line."

Our Advanced Equipment

  • Atomic Absorption Spectrometer (AAS)Heavy metals in foodstuffs
  • Class II Laminar Flow HoodSterile handling of microbial samples
  • RefractometerBrix and total soluble solids
  • Electrical Safety Tester (CE Tester)Electrical safety tests
  • pH MeterpH of food products
  • AutoclaveSterilizing culture media and equipment
  • HPLC ChromatographMycotoxins and additives
  • Vacuum OvenMoisture content of foodstuffs
  • Anton Paar ViscometerKinematic viscosity
  • IP5X and IP6X Test RigDust ingress testing (IP code)
  • GC-MSPesticide residues
  • Spark Emission Spectrometer (Quantometer)Analysis of metals and alloys
  • EDXRF SpectrometerSulphur in petroleum products
  • Pensky-Martens Flash Point TesterClosed-cup flash point
  • Cleveland Flash Point TesterFlash and fire point
  • Atmospheric Distillation UnitDistillation of petroleum products
  • Atomic Emission Spectrometer (ICP-OES)Element assay in ores and minerals
  • Humidity ChamberHumidity and environmental durability tests
  • Anton Paar Density MeterDensity of petroleum products
  • FTIR SpectrometerIdentifying compounds and material structure
  • Refrigerated IncubatorCulturing microorganisms at a controlled temperature
  • Glow-Wire TesterHeat and fire resistance tests
  • UV-Vis SpectrometerSpectrophotometric measurement of compounds
  • 1300 °C FurnaceLoss on ignition and sample preparation
  • Electric FurnaceAsh content
  • StomacherHomogenizing food samples
  • Mettler Toledo Karl Fischer TitratorWater content of petroleum products
  • UV-Fluorescence AnalyzerSulphur and nitrogen
  • Microwave Digestion SystemSample preparation
  • Potentiometric TitratorBase number and mercaptans
  • Automatic PenetrometerGrease penetration
  • Corrosion Test BathOil, grease and antifreeze

Discuss Your Technical Requirements with Niroo Gostar Lian’s Experts

Contact Niroo Gostar Lian’s experts to assess your technical requirements, learn about our laboratory, technical inspection, and metrology services, and identify the most appropriate solution. Our specialists will guide you to the relevant technical information and department.

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