Our service

Centre 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.

 

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.

Specialty

Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.

AUTHORITY & TRUST
QUALITY & VALUE
Diesel Testing

With the rapid development of economy, the demand for transportation is increasing rapidly, and the demand for diesel oil is rising rapidly. The standards for upgrading the quality of oil products are becoming more and more strict, accelerating the pace of quality upgrading. CTI can provide comprehensive inspection and testing services for various standards or regulations in diesel oil, help customers to control the delivery of diesel oil trade to all quality links, and provide customers with professional technical support and one-stop solutions.

Diesel Testing

◉    Service Content

  1. Scope of Application/Product Category
    Vehicle diesel oil, marine diesel oil
  2. Technical Standards

China

3、Requirements for Conventional Samples

Different test items require different samples. Please ask CTI 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 Diesel Oil and Ordinary Diesel Oil

Test Standard

Test Item

GB 19147

DB 11/239

Oxidation stability

Total Pollutants

Sulfur content

Kinematic viscosity (20 ℃)

Acidity

Condensation point

10% distilled residue carbon residue

Cold filter point

Ash

Flash point (closed)

Copper corrosion (50 ℃, 3h)

Cetane index

Moisture

Distillation range

Appearance

Density

Mechanical impurities

Lubricity

Moisture and organic impurities

Polycyclic aromatic hydrocarbon content

Fatty acid methyl ester

Cetane number

Odor

Metal multielement

Chromaticity

Stability

Cloud point

Oil dilution

Chlorine content

Conductivity

Nitrogen content

Nitrate type cetane number improver

Particulate matter distribution

Water separation performance

Calorific value

Blockage tendency

Test Items and Standards for Biodiesel

Test Standard

Test Item

GB 25199

Density (20 ℃)

Moisture

Kinematic viscosity (40 ℃)

Copper corrosion (50 ℃, 3h)

Flash point (closed)

Acid number

Cold filter point

Monovalent metal (Na + K)

Sulfur content

Divalent metal (Ca + Mg)

Carbon residue

Phosphorus content

Phosphorus content

Sulfate ash

Cetane number

◉    Our Advantages

CTI has complete testing capability for refined oil.

CTI has advanced laboratory equipment to ensure the accuracy and reliability of test data.

CTI has a team of professional qualified and experienced technical experts to provide you with professional advice and services.

CTI, as a third-party testing and certification organization trusted by customers around the world, has obtained CMA, CNAS and UKAS qualifications.

CTI has a nationwide business network, which can provide quick response and personalized considerate services.

◉    Service Process

Consulting Customer ServiceConfirm Test PlanFill in the Application FormSend samplesPay for the testTestSend electronic reportsExpress paper reports and invoices