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Overview
Centre Testing International Group Co., Ltd. (NG28) is a market leader in testing, inspection, certification, calibration, audit, training & technical services; building trust between governments, enterprises, and consumers.
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SustainabilitySustainability is deeply rooted in NG28’s business model, by delivering science-based solutions and verification services, to increase transparency and traceability throughout the global value chain. NG28 is a proponent of carbon neutrality and sustainable development.
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Our serviceCentre Testing International Co., Ltd. (NG28) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.
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By Industry
Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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Environment
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Raw Material & Fuel Chemicals
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Textiles, Apparel, Footwear & Accessories
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Food & Agricultural Products
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Cosmetics, Personal Care & Household Chemicals
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Building Materials&Construction Engineering
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Electronic & Electrical Appliances
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Toys, Furniture & Home Decoration
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Industrial Equipment & Manufacturing
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Rail & Aviation
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Automotive & Spare Parts
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Pharma and Medical Services
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Maritime Vessel Compliance Testing
By IndustryOur service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
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SpecialtyComprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
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ManagementWe have established a clear governance structure in accordance with listing requirements and national regulations and policies to deal with internal and external challenges and achieve sustainable development.
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Information DisclosureWe are committed to establishing normal and effective two-way communication with shareholders and investors. We have established a complete information disclosure mechanism to convey information to shareholders in a timely manner.
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Talents PolicyEnsuring the basic rights and benefits of employees;
Providing professional skills training to promote employees’ growth;
Carrying out various kinds of activities to balance employees’ work and life.
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RecruitmentWelcome to join NG28 family! We are providing a platform for you to show your talents and achieve your career aspiration.
QUALITY & VALUE
NG28 provides customers with comprehensive testing services according to various standards, regulatory requirements or internal standards of the enterprise for gasoline, helps customers to control all quality links in the process of gasoline trade delivery, checks the impact of gasoline quality on the safe use of vehicles, and provides customers with professional technical support and one-stop solutions.
- Consulting quotation
- Online shopping mall
? Service Content
1、Scope of Application/Product Category
Vehicle gasoline, vehicle methanol gasoline, vehicle ethanol gasoline, fuel ethanol
2、Technical Standards
China
3、Conventional Sample Requirements
Different test items require different samples. Please ask NG28 online customer service for details.
4、Test Cycle
The calculation starts with the sample received by the laboratory. Routine: 5 working days; Urgent: 3 working days.
5、Test Items and Standards
Test Items and Standards for Vehicle Gasoline
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Test standard |
Test Items |
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GB 17930 DB11/238 |
Research octane number (RON) |
Water-soluble acid or base |
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Motor octane number (MON) |
Moisture and organic impurities |
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Antiknock index |
Mechanical impurities |
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Lead content |
Moisture |
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Distillation range |
Benzene |
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Vapor pressure |
Olefin |
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Unwashed colloid |
Aromatic hydrocarbon |
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Solvent washing colloid (actual colloid) |
Oxygen content |
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Induction period |
Oxide content |
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Sulfur content |
Manganese content |
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Mercaptan (Doctor's Test) |
Iron content |
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Copper corrosion (50 ℃, 3h) |
Density |
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Light stability |
Peroxide value |
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Silicon content |
Particulate matter distribution |
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Chlorine content |
Active sulfur |
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Phosphorus content |
Anion |
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Diene number |
Silver plate etching |
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Dimethyl carbonate |
Moisture |
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Sec-butyl acetate |
Latent colloid |
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Anilines |
Metal multielement |
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Methylal |
Driving Index |
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Family Composition PIONA |
Oil-gas ratio |
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Detailed hydrocarbon composition DHA |
Evaporation index DI |
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Carbon chain distribution |
Carbon-hydrogen-oxygen ratio |
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Test Items and Standards for Ethanol Gasoline for Vehicles
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Test standard |
Test Items |
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GB 18351 |
Research octane number (RON) |
Water-soluble acid or base |
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Motor octane number (MON) |
Moisture and organic impurities |
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Antiknock index |
Mechanical impurities |
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Lead content |
Moisture |
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Distillation range |
Benzene |
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Vapor pressure |
Olefin |
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Unwashed colloid |
Aromatic hydrocarbon |
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Solvent washing colloid (actual colloid) |
Ethanol content |
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Induction period |
Contents of other oxides |
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Sulfur content |
Manganese content |
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Mercaptan (Doctor's Test) |
Iron content |
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Copper corrosion (50 ℃, 3h) |
Density |
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Test Items and Standards for Methanol Gasoline for Vehicles
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Test standard |
Test Items |
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GB 23779 |
Appearance |
Unwashed colloid |
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Methanol |
Solvent washing colloid (actual colloid) |
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Polyalcohols (C2 ~ C8) |
Organochlorine content |
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Hydrocarbon compound + aliphatic ether |
Inorganic chlorine content |
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Vapor pressure (micro method) |
Sodium content |
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Lead content |
Moisture |
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Sulfur content |
Manganese content |
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Acidity (in acetic acid) |
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Ethanol Fuel Test Items and Standards
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Test standard |
Test Items |
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GB 18350 |
Appearance |
Appearance |
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Ethanol |
Acidity |
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Methanol |
Copper |
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Solvent washing colloid |
pHe |
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Moisture |
Sulfur content |
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? Our Advantages
NG28 has complete testing capability for refined oil.
NG28 has advanced laboratory equipment to ensure the accuracy and reliability of test data.
NG28 has a team of professional qualified and experienced technical experts to provide you with professional advice and services.
NG28, as a third-party testing and certification organization trusted by customers around the world, has obtained CMA, CNAS and UKAS qualifications.
NG28 has a nationwide business network, which can provide quick response and personalized considerate services.
? Service Process
Consulting Customer Service→Confirm Test Plan→Fill in the Application Form→Send samples→Pay for the test→Test→Send electronic reports→Express paper reports and invoices
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Diesel TestingWith the rapid development of economy, the demand for transportation is increasing rapidly, and the demand for diesel oil is risin...More -
Aviation KeroseneModern jet aircraft need high-quality fuel to enable the engine to achieve high performance and safe flight. Fuel must meet strictMore -
Marine Fuel Oil TestingWith the development of economy and logistics, the domestic water transportation industry has achieved rapid development. Domestic...More
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