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Overview
Centre Testing International Group Co., Ltd. (CTI) 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 CTI’s business model, by delivering science-based solutions and verification services, to increase transparency and traceability throughout the global value chain. CTI is a proponent of carbon neutrality and sustainable development.
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Our serviceCentre Testing International Co., Ltd. (CTI) 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 CTI family! We are providing a platform for you to show your talents and achieve your career aspiration.
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QUALITY & VALUE
CTI has a professional service team, advanced instruments and equipment, and testing capability to efficiently assess the quality status of oil products for customers, and timely provide customers with improvement suggestions and diagnostic guidance.
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◉ Service background
1、Scope /categories
Internal combustion engine oil & grease
2、Technical standards
GB、ASTM、ISO、HG、etc.
3、Sample requirements
Different test items require different sample quantities. Please ask CTI online customer service for details.
4、test period
Normal: 5 TAT; Urgent: 3 TAT.
◉ Test items & Standard
Engine oil
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Test standards |
Test items |
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GB 17038
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Kinematic Viscosity |
copper corrosion |
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Viscosity Index |
pentane insolubles |
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ASTM Color |
Air Release Value |
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Water |
Rust-Preventing |
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Pour Point |
Demulsibility |
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Solidification Point |
Sulfur |
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Flash Point |
nitrogen content |
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Foaming Characteristics |
phosphorus content |
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Total Acid Value |
Gel index |
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Total Base Number |
Evaporation Loss |
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Carbon Residue (Micro Method) |
CCS |
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Mechanical Impurities |
Low temperature pumping viscosity |
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Multielement |
MRV |
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Particle Distribution |
HTHS |
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Sulphated Ash |
Pyrogenic sediment |
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PQ Index |
Diesel oil dilution |
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Soot content |
Antifreeze dilution |
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oxidizability |
Microscopic characteristics |
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sulfidity |
Oxidation Stability |
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sulfidity |
Shear stability |
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Fuel dilution |
Uniformity and mixture |
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glycol content |
chlorinity |
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HG/T 2363 |
kinematic viscosity |
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HG/T 2366 |
Acid Value |
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Grease
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Test standards |
Test items |
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GB 491 GB 492 GB 7324
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Appearance |
Ash |
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penetration |
Oil steel mesh points（60℃,24h） |
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Work penetration |
Impurities（microscopic method） |
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Extend penetration |
Water loss（38℃,1h） |
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dropping point |
Evaporation（99℃,22h） |
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corrosion （T2,100℃,24h） |
Oxidation Stability（99℃, |
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Water |
Kinematic Viscosity（-15℃,10s-1） |
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◉ Our Strengths
CTI has a complete engine oil testing capability.
CTI has advanced laboratory equipment to ensure the accuracy and reliability of test data.
CTI has a team of qualified and experienced technical experts to provide you with professional consultation and services.
CTI, as a trusted third-party testing and certification body for global customers, has obtained CMA, CNAS and UKAS.
CTI has a business network throughout the country, can provide rapid response, personalized intimate services.
◉ Service Process
Consult customer service → confirm the test plan → fill in the application form → send samples → pay the test fee → test → send electronic reports → express paper reports and invoices
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Mechanics TestingCTI provides mechanical testing services related to rail transit ships and aviation. CTI can provide a series of tests for appraisMore -
Thermal PropertiesThe thermal performance test of plastics is a part of the plastic testing, through which the thermal performance parameters of pla...More -
Weather Resistance TestAs a part of reliability testing, weatherability test of materials is a process to simulate various adverse factors involved in th...More -
Metal Materials Testing ServiceWe can provide qualitative/quantitative analysis of sample composition according to customer requirements. Metal material analysis...More -
Metallographic AnalysisMetallographic analysis is a powerful tool for analyzing and studying various materials, establishing the quantitative relationshi...More -
Failure analysisProduct quality is the foundation of an enterprise. CTI provides customized failure analysis solutions，To help enterprises reduce ...More -
Shock and Vibration TestThe products installed on railway vehicles will be impacted and vibrated due to the nature of railway operation environment. In or...More -
Environmental Climate Resistance TestThe railway transit Laboratory of CTI has a variety of test chamber of various specifications and models, which can meet the requi...More -
Degree of Dust and Water TestCTI RTS Lab is equipped with the Dust test chamber, and the separate water test room. We can do the test according to the standardMore -
Electric Performance TestCTI Rail Transit Laboratory has a number of different levels of power system, power fault simulator, oscilloscope, insulation and ...More -
Structural Strength TestCTI with a number of hydraulic cylinder testing systems and electric cylinder testing systems of different orders, CTI can provide...More -
Wheel-Rail Relationship TestThe senior and professional team of The Certification department of Rail transit in China test can provide you with wheel/rail relMore -
Pantograph Catenary Relationship TestThe senior and professional team of CTI Rail Certification Department can provide pantograph catenary relationship test for you toMore -
CEIS-RTS Testing of Volatile Organic CompoundsVolatile organic compounds (VOCs) have long been recognized as an important factor of indoor air pollution. With the enhancement o...More -
Testing for Hazardous Substances of Rail Transit Equipment ProductsThe hazardous substances in rail transit equipment products have attracted wide attention due to the known and potential risk, and...More
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